When we did this in highschool our speed/acceleration contest was only over a meter, so I just used the mouse trap to catapult my car over the finish line.

@kyleguajardo

4 жыл бұрын

Modern problems require ancient solutions

@a_stone

4 жыл бұрын

*yeet*

@James-tv2bm

4 жыл бұрын

How’d that work for you

@danieljensen2626

4 жыл бұрын

@@James-tv2bm Great, I won easily. It was so fast you couldn't really hand time it properly. Of course it rarely landed on its wheels so it wasn't any good over a longer distance.

@fieldmarshal7298

4 жыл бұрын

That's actually smart

I wish Mark was my physics teacher...

@alexbaker9996

5 жыл бұрын

That would be amazing class would never be boring

@owenmarsh1985

5 жыл бұрын

You and everyone else. Move to Denver Mark

@nataliaray7315

5 жыл бұрын

I know!

@Wintercourse

5 жыл бұрын

My Physic teachers failed me with a 59.6 in high school. I went after school everyday to work on crap because everything was group based. My friend didn't know anything, and stoner girl didn't show up. The workload was added on as the first group finished, so it was impossible to actually keep up. Two years after I graduate I found out he was sleeping with a sophomore girl and was caught and he fled the country....Yeah I wish this guy had been my Physics teacher.

@Wintercourse

5 жыл бұрын

@@neb4587 I couldn't get full credit because I didn't have group members to finish their stuff. Yeah he was a creep.

Can you imagine how lucky some future kid is gonna be to be able to call Mark Rober their physics teacher??

@bwbacthe2nd589

2 жыл бұрын

omg now thats something mind blowing

@Rentaro_dev

2 жыл бұрын

yes,I wish we could study again

@chriswilliamson806

2 жыл бұрын

Could you imagine the school board looking at what he would want to do? Lol

@robertboyd2223

2 жыл бұрын

@@chriswilliamson806 so today we’re gonna catapult an entire cafeteria

@andyrockism

2 жыл бұрын

Well we can also call him our physics teacher too. Just for us he teaches us here on KZread as oppose to a classroom.

It’s almost 2022 and I’m still enjoying this video, I mean the way Mark explains engineering is so amazing.

@DUDEFISH_

2 жыл бұрын

yes ikr he also inspired me to make a montage in my video

@Dragon-Slay3r

Жыл бұрын

Welcome to Joseph's nightmare

@limeedhot

Жыл бұрын

It's almost 2023 and I'm still enjoying this video, I mean the way Mark explains engineering is so amazing.

@megagatlingpea2322

5 ай бұрын

its already 2023 for me

@itzpogboy

2 ай бұрын

Hello its 2024 buddy wake u0

The way Mark explains physics is not only easier to understand than school ever taught me but he makes it so much more interesting

@JupiterKnight

3 жыл бұрын

chicken nuggets

@rockhopper6316

3 жыл бұрын

Yes exactly

@wren7195

3 жыл бұрын

@@rockhopper6316 What scares me is "go dominate the competition" means you won by like 1.5 mm

@LawrenceLS

3 жыл бұрын

@@JupiterKnight chicken numgies

@rockhopper6316

3 жыл бұрын

@@wren7195 yea lol

- Dad, why is my sister called Rose? - Because your mother loves flowers. - Oh ok, thanks dad.. - No problem, Mechanical Advantage.

@BlitzBodyBeats

3 жыл бұрын

*D E L E T E T H I S C O M M E N T*

@WarmongerSlays

3 жыл бұрын

@@BlitzBodyBeats Why

@TheDogBasti

3 жыл бұрын

@@WarmongerSlays some man want to watch the world burn

@croccroc4000

3 жыл бұрын

No problem. *communism*

@order66pizzas

3 жыл бұрын

EEE EEE no problem democracy

in my 8th grade science class we are actually doing something where you can either build a lander or a rover, no electricity and stuff like that. I had the egg drop thing as an idea for a lander and this for a rover and I'm super excited to test both out and see which one is better.

@resentfulsidecharacter3713

Жыл бұрын

So what happened

no one is talking about how mark was outside IN THE RAIN for a bit just so he can explain the topic he was on. I want him to be my teacher.

The internet needs more people like Mark Rober. KZread should give incentives for NASA employees to become creators.

@sunglassesdude4819

6 жыл бұрын

Potato Jet my science teacher is a scientist with the opportunity rover. Its cool because there is a club thing where we get to work with nasa with it. However that teacher isn’t very nice and I have been yelled at for doing what I was supposed to be doing a couple times. One specific instance of this was with force vectors. She asked the class how to do them without telling us first. I connected it to vectors which we saw in geometry but I was yelled at to stop doing geometry because this is science. She then explained how to do it and it was geometry... I wouldn’t like to see her on KZread tbh.

@pasghikhami1342

6 жыл бұрын

NASA employees should stick to being important

@sunglassesdude4819

6 жыл бұрын

Pasgh ikhami getting to Mars is important but following your passion and having a life is also important

@goblingamer606

6 жыл бұрын

Has anyone ever tried using this same concept to propell something like a paper airplane? Doesnt necessarily need to be made out of paper because thats flimsy, but i think that would be a fun idea too

@jamesg265

5 жыл бұрын

Not all NASA employees are like him they are mostly old

When mr. Rober is a physics teacher to almost 10 million people and doesn't realize it.

@sentientmouse5332

4 жыл бұрын

On-Plot-Point physics, engineering, math, science, medical information, problem solving, and FUN!!!

@Ivara4226

4 жыл бұрын

@@Shrin3Iroh 10.2 mil

@salteds0cks

4 жыл бұрын

@flowazx 10.3 mil

@adi-sngh

4 жыл бұрын

@@salteds0cks 10.4 mil

@notoctoboy5703

4 жыл бұрын

*don't

The way he explained physics is so much better then the 9 years of science class I've taken

@rizzthespacething8823

5 ай бұрын

nerd!

this has sat in my brain for 3 years and has silently been supporting me through my physics classes. Thank you.

1:36 Mark: But I could lift 10lbs 50 times. *Uses a 12 pound weight*

@zestymushr00m85

4 жыл бұрын

Also said his car weighed 500 lbs soooooo

@zestymushr00m85

4 жыл бұрын

YoYO Semite which is my point, the weight was also an example to keep math simple

@arzonfyre8421

4 жыл бұрын

@@zestymushr00m85 it was only one corner of the car being lifted. Which he estimated at 500 pounds

@zestymushr00m85

4 жыл бұрын

Guys he was just giving an example🙃🙃 I’m agreeing with Jonathan Huang just using the car weight example

@GamingWO-

4 жыл бұрын

YoYO Semite what, where’s the acceleration? You have distance.

I learned more in the first 5 minutes than a whole semester in high school

@ferretrevelvent6793

3 жыл бұрын

Sad but tru

@marylawrence2218

3 жыл бұрын

Maybe short term, but learning is (or should be) based on retained understanding and application.

@asbuilt0017

3 жыл бұрын

Mary Lawrence yeah you are right but you can re watch the video

@avitus2

3 жыл бұрын

I feel this. I just wish I had a physics teacher in high school that didn't play favorites to their special projects group (in this case, the solar bike team). If you were on the team, you got her complete attention, if you weren't then tough cookies read the book and too bad if you don't understand it from reading the chapter.

@luxraylloyd7932

3 жыл бұрын

@@avitus2 If you have a teacher that has favorites, that sucks.

Hey Mark! Nice Video. I wanted to point out that, at 2:03, mechanical advantage doesn't necessarily equal number of pulleys in all pulley systems. This is because fixed pulleys (pulleys which don't move while the load does) have a mechanical advantage of 1, while movable pulleys (pulleys which do move while the load does) have a mechanical advantage of 2. This is why, in your case, the pulley system had a mechanical advantage of 4: the specific arrangement and positioning of 2 movable and 2 fixed pulleys allowed the system to have a mechanical advantage of 4. However, it is important to note that this doesn't happen to all arrangements of 4 pulleys, as if you were to line up 4 fixed pulleys, you would still get an mechanical advantage of 1, not 4. Thus, you cannot say that mechanical advantage equals number of pulleys in all pulley systems. Instead, you could "split" up the tension along the ropes of a pulley through a diagram. Here's the procedure: you first can imagine that you are holding the end of whatever pulley system you are trying to solve with such a force such that the system is in static equilibrium. Next, you can split the tension caused by the force of the load among the ropes of the pulley system. The key to remember is that each unbroken piece of rope will have uniform tension along it. Finally, you keep splitting the tension all the way until you reach the rope which you are holding. The mechanical advantage of the pulley system will simply be the the load force divided by the effort force, which is simply equal to the tension in that rope you are holding, since the system is in static equilibrium. THAT is the correct way to solve for the mechanical advantage of a pulley system (sorry if I explained it badly). Additionally, I wanted to point out that, at 2:08, mechanical advantage of an inclined plane does not equal the ratio of the length to the height unless the inclined plane is just flat and not inclined, in which case I wouldn't really call it an "inclined" plane. But instead, mechanical advantage of an inclined plane is equal to the ratio of the hypotenuse to the height. This can be derived like this: the load force on the inclined plane is simply equal to its downward force caused by gravity, which is simple equal to f = ma = mg. We can split this force into its x- and y- components, which we can then deduce that the force of the load in the direction parallel to and going down the hypotenuse of the inclined plane is equal to mgsin(theta), in which theta is the angle of the elevation of the inclined plane. This means that, if we were to push the load up on the inclined plane with force mgsin(theta), then the system would achieve static equilibrium. In other words, the load would stay in place. Since we know that mechanical advantage is defined as the ratio of the output force to the input force, that would simply mean that the mechanical advantage of the inclined plane would be mg/mgsin(theta), as mg is the output force in this case and mgsin(theta) is the input force in this case. This simplifies to 1/sin(theta). This is simply equal to the ratio of the hypotenuse to the side opposite angle theta, which in this case is height. Thus, mechanical advantage of an inclined plane is equal to the ratio of the hypotenuse to the height.

@penflex8997

Жыл бұрын

I’m to lazy to read gib a summary

@FluffyDragonDrawing

Жыл бұрын

you are absolutley correct but remember mark is tying to simplify these things so people with zero knowledge can understad. he would have lost a LOT of people hadd he tried to explain all of that. hence why he ust suggests we do it ourselves

@penflex8997

Жыл бұрын

@@FluffyDragonDrawing summary cool waited awhile

I never did this as a kid but being an auto mechanic now I got a huge kick out of this video! Made me think about the mathematics of transmissions and differential final drive ratios. Super fun keep up the great work!

“Thank yo-“ Niece: ** *Slaps Ice Cream* ** “O WOAAH”

@Yehe13

4 жыл бұрын

so rude

@emmaly8993

4 жыл бұрын

Trenity R salty slap

@rapiintheskyy3585

3 жыл бұрын

that was cringe

@Sillimant_

3 жыл бұрын

@@Yehe13 it was scripted, you can see they love him

@Sillimant_

3 жыл бұрын

@@rapiintheskyy3585 it was part of the joke, much like your continued existence

i was expecting a mouse trap that catches a mouse and drives away with it

@gloriaroma-sandiegorealest4037

3 жыл бұрын

Whisper voice: lol, me too!

@greatacarrillo

3 жыл бұрын

Same

@SSruh

3 жыл бұрын

Hit & Run

@gamingwithluke5592

3 жыл бұрын

Same

@shmup6955

3 жыл бұрын

Ha

I think I just found a lifetime hobby. Every science teacher I’ve ever had said I possess an extremely intuitive understanding of physics and this seems to be a perfect application of that. Just seeing this video makes my mind go crazy thinking of all the ways I could attempt to improve the design. I wonder if you could devise an equation that could predictably determine what the optimal ratio of mechanical advantage for a given car would be, accounting for factors like weight, wheel diameter, coefficient of friction on the wheels, axels, and every other moving part where friction is present. Obviously there’s a perfectly optimal car that could be made if you could fully understand all these factors and that’s what is most alluring to me.

1:43 my guy literally standing in the rain for science.... +1 respect

Press F to pay respects to icecream

@fluxsneaky6063

5 жыл бұрын

Jayden Games bruh im eating some rn 😂😂

@Naat.ee12

5 жыл бұрын

Uhhh, im on phone.... 🙄

@maazurrehman9998

5 жыл бұрын

F

@520gamingandvlogs9

5 жыл бұрын

F

@ItsJayTho

4 жыл бұрын

@@Naat.ee12 just press reply then SIMPLY press f :)

Mark: "A little bit of water spills out every time" Also mark: *Purposely misses cup*

@prinzeszelda3650

3 жыл бұрын

He is Like realy Bad at pouring

@prinzeszelda3650

3 жыл бұрын

@The Demon Under Your Bed • 3 years ago thx

@umbraltears3434

3 жыл бұрын

you should see liam thompson pour liquid

@manuelpatino5879

3 жыл бұрын

Mark: Talks like a smart person Me: I don't know what you're talking about, but it seems interesting

@richardlooch2109

3 жыл бұрын

the winning model is the one where the mousetrap lever activates a electric motor...

Wonderful! From your intro, I thought you were going to make your own design, better than any other. Even so, I enjoyed the lesson.

I used this video back in seventh grade over the course of 4 weeks to build a fully optimized (realistically) car. Sadly the pandemic hit and I never got to see how far it went.

Mark: “I want to be a physics teacher later on” Every subscribers: ^ *has been learning from him since the beginning* ^ 👀

@HighTiered

3 жыл бұрын

Naruto X Hinata k

If he was a teacher at my high school I would never leave the class

@MJaneth

4 жыл бұрын

Or fail

@tychus7

3 жыл бұрын

@@MJaneth no i would fail so i would have him again

@olerius1235

3 жыл бұрын

Bruh so u skip wooowwwwww

@olerius1235

3 жыл бұрын

@@tychus7 that's not a good thing

@andycunningham1731

3 жыл бұрын

Ditto

I first did this project in 1987 during my student teaching in Industrial arts. We used two mouse traps which allowed options on how to best utilize them. I continued this project for the next 12 years as an engineering project in Drafting class. Best run was 437 feet in a 12 foot wide hallway so straight tracking was important. The best wheels were 33rpm vinyl record albums. I didn't invent this project and don't know it's origins.

I laughed so hard when your niece knocked the ice-cream out of your hand.

@duckyfam9012

4 жыл бұрын

DarthBil1 IKR LOL

@Vic_Inso

4 жыл бұрын

Ows talaga ba?

@_Grimm333_

4 жыл бұрын

Same

@gal3win213

4 жыл бұрын

@@Vic_Inso filipino?

@lamp1739

4 жыл бұрын

Wait when?

Breaking news: Worker in NASA go to school to totally annihilate kids in mousetrap car race

@MineShineMarshal

4 жыл бұрын

Yuen Kik Li former

@chaosincarnate7304

4 жыл бұрын

Correction: Former Worker at NASA went to a school to totally annihilate kids -in mousetrap car race-

@kirtan__

4 жыл бұрын

This was for the mousetrap vehicle event for Science Olympiad. Teams spend forever on designs so that’s why Mark did not show the design the team he was visiting was using. They were actually going to nationals and why would Mark leak a teams design if they’re going to Cornell.

@cogn0765

4 жыл бұрын

lol

WOW so nicely done. Wish I had this when I was teaching mousetrap cars years ago.

The fact that I saw this video when it came out and just today I was assigned to make a mousetrap car in my high school physics class.

@samuelgunter

2 жыл бұрын

Same. This is the optional assignment this quarter that counts as a major grade and my teacher will give out a ton of bonus points for furthest travelled, nicest looking design, etc.

@HALO-nv1xv

2 жыл бұрын

@@samuelgunter Its not optional for me but im sure our assignments are very similar regarding the rules and such

i dont watch because its relevant, i watch because its entertaining...

@fqidz

6 жыл бұрын

True

@Aciey

6 жыл бұрын

me to

@yeahyou7827

6 жыл бұрын

Same

@Tfifiuyiugtjfytyftj

6 жыл бұрын

I agree with you

@literallybooby2737

6 жыл бұрын

JoeSloppyJoe I watch it for both

Hey! That's me at 12:50 ! Super cool to see a Science Olympiad event highlighted on your channel! It was great to meet you and talk about my car.

@nyensimpfenderfer4980

6 жыл бұрын

Seriously

@Yeujer

6 жыл бұрын

SCIOLY IS LIFE

@RSpudieD

6 жыл бұрын

Sweet! Congratz!

@db_d.a.b651

6 жыл бұрын

just finished my SCOILY event at 4:00

@waterlubber

6 жыл бұрын

>TFW States is already over I didn't work on my teams mousetrap. I did 3D print the bearing mounts though. I think it actually got first at states.

I made a mousetrap car in 10th grade with a gearbox that made it run for over 30 seconds continuously, but the wheels spun on the tile floor it was tested on and barely went anywhere. Needless to say I didn't win but I've never seen anyone else make one like mine.

In a design class, we had to make a bridge using two pieces of ondulated paper (it had a standard size, but I don't remember anyone) and one roll of masking tape each team. It would be placed linking tow tables 0,5m apart and then we would place 1L bottles over it to see what design would hold more. Many bridges had problems with tortion, or with the paper bending, but my idea avoided those two problems and was able to hold all the bottles available (about 20 bottles) and we started adding other stuff.

Me: This is boring, I can’t wait till schools out *Schools out* Me:*watches educational videos for fun*

@DreidMusicalX

4 жыл бұрын

Learning is never over.

@OeshenNix

4 жыл бұрын

Hey thats me

@mamabear9467

4 жыл бұрын

Same bro I watch them all the time

@ndzd9941

4 жыл бұрын

This is me I used to just binge watch every large educational channel, then I stopped and now I'm finally getting back into it

@ldw0696

4 жыл бұрын

Yea in quarantine I'm out of school but I wish I was in it

If he was my physics teacher I would skip other classes to go to his class

@turtles8930

4 жыл бұрын

Future Fire ikr

@nicoliftsz

4 жыл бұрын

Same

@igorchurilov5611

4 жыл бұрын

Future Fire he’s my teacher😂

@chillnub641

4 жыл бұрын

Same

@SupremeLordGeek

4 жыл бұрын

Same

This was a fun high school competition back in the day. I still keep my car as a momento as it's just such a satisfying design - the comp was a speed one and we took the win. The car we made was four wheel drive and light - the four wheel drive was chosen to maximise the traction availability along with tricks to manage traction and energy. We had hypothesised about friction and traction in class, none of us had real karting or racing experience at the time but this was certainly a time where it became apparent. The result was fast enough to be challenging to time.

Great video, small thing, had this same mouse trap challenge in my junior year in high school physics class in 1989. It was a great learning experience! Don't remember who won, we had an incredible teacher, just like Mr. Karud. Big props to him for his dedication to his students!

@bonook8

2 жыл бұрын

You are correct. I taught Industrial arts and did this beginning in 1987. I did not come up with the idea and don't know it's origins but I do know it did not begin in 1991.

Lesson of the day: don't make a bet with mark

@lucron12

3 жыл бұрын

Yes that is so true

@lucron12

3 жыл бұрын

You’re really correct

@lucron12

3 жыл бұрын

Im just doing this so it Will look like People comment

@lucron12

3 жыл бұрын

: )

@lucron12

3 жыл бұрын

You welcome Eva Slyva

When you learn more in a 15min video then in 13 years school

@fezankhan536

5 жыл бұрын

true

@ballistic3666

5 жыл бұрын

Exactly

@akefayamenay104

5 жыл бұрын

*than. Now you’ve got some grammar too 😜

@jococallos9361

5 жыл бұрын

fck yeah

@myaopsahl999

5 жыл бұрын

Happy birthday to you and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play a game because I am BORED and I really want to play

This is a fantastic video, but I will say that in 8th grade my best friend and I were tasked with building a mouse trap car that didn't use a pulley system as a sort of "bonus" project. We built a tiny car, launched it with the mousetrap, and won the competition for our class. It believe it went almost double the next best vehicle's distance, and I personally built the 2nd place car.

0:31 Mark: Wait wait wait, don't leave. Me: I wasn't going to-

The ice cream cone slap was the funniest thing I’ve seen in awhile.

you would be a GREAT science or tech ed teacher

@carsenwhitmore1559

5 жыл бұрын

Or a physics teacher

@iamanartistbutcantdraw4454

5 жыл бұрын

Gavin D'Souza no search anonymous

@xxfluffydogxx7026

5 жыл бұрын

Oh I'm a anonymous member too

@xxfluffydogxx7026

5 жыл бұрын

@@Vertense do you even know anonymous?

@peggzmugga1811

5 жыл бұрын

Hi

the longer lever arm also increased the amount of string pulled, and the smaller of the ratio of axle to wheel makes the rotations let the car go further

Hey Mark, Any chance you can make a video on your work bench. I think a lot of people and myself would be interested in it. It’d probably encourage people to recreate and experiment with their own science projects. Best- PS Phat Gus rules.

Somebody: Creates a contest that's a thing just in the USA. USA: Yay, World Record! ;-)

@Sillimant_

3 жыл бұрын

It's like the miss universe thing, hardly any competition when it's just earth

@Jaybuyshoe

3 жыл бұрын

Somebody: Creates a contest that's a thing just in the USA. USA: Yay, World Record! ;-)

@nathanielkidd2840

3 жыл бұрын

Yeah. The rest of the world just doesn’t show up to compete.

Nobody: Mark: Dang it I wanted to be a physics teacher but I ended up working at nasa

@blahnomnomnom

3 жыл бұрын

Lolol definitely

@finn596

3 жыл бұрын

Aw I wanted to be a millionare not a billionare

@Tyrantstorm

3 жыл бұрын

@DrewZull Káędîij NASA* but yeah

@GrandpaPapi

3 жыл бұрын

YourDudeBk because it is really annoying to many people when someone corrects a small issue, ‘cause it makes them feel like they can’t make mistakes or else they get a red flag. i know many people who hate that.

@zane1623

3 жыл бұрын

@@GrandpaPapi werent you the one that corrected first? and who called someone a nerd?

Love your videos and I am making a mouse trap car for mine and I decided to watch your video to get an idea of how to do it

I remember doing something like this in school but with bottle cars and their were two types that worked really well because we were going off a ramp aiming to get in a bin, one that worked well was light weight and hand wings to glide in so used hardly any power, the other was heavy and basically dropped in like a rock so used more power (my group was the wings one), their was this one group that tried to just copy both designs and combine them together so the heavy thing combined with the wings, so theirs didn't work well because they tried to combine two completely different methods.

My friend built a mousetrap car and it exploded when he tested it in competition

@verendus7712

5 жыл бұрын

A.D.E 35 oh my hahahahaha

@wilag8er85

5 жыл бұрын

Wtf did he make it with?

@sashimi0003

5 жыл бұрын

wilag8er I think he meant like the spring broke and destroyed the car

@mr.peanutharry7723

5 жыл бұрын

Your picture makes this comment better

@ratrat5072

5 жыл бұрын

A.D.E 35 wow

Can you believe I had to watch my favorite youtuber for homework on my Mouse trap car?? :O

@SuperMaDBrothers

5 жыл бұрын

megamaz dang bro really

@CJDavis-js7mr

5 жыл бұрын

Me too lol

@ttv__btw__yt4835

4 жыл бұрын

K

Mark is better at teaching me this than school ever has

Mark Rober, im making it, the current best for my school is 33 feet, thanks mark, we will win

I wish we did something cool like this when I was in school... good job on the video! :)

@AzimuthSolutions

6 жыл бұрын

We didn't even have a science fair at my school.

@connermcgibbon6934

6 жыл бұрын

I was supposed to do mouse trap cars but my school canceled it.

@victorcho1242

6 жыл бұрын

Experimental Fun I hate u

@ExperimentalFun

6 жыл бұрын

why do you hate me?

@Rikardo35

6 жыл бұрын

Experimental Fun yep same

Mark: Talks like a smart person Me: I don't know what you're talking about, but it seems interesting

@azaanammar3841

3 жыл бұрын

True

@pizzathegamer8249

3 жыл бұрын

shungite

@nwiiho4215

3 жыл бұрын

@@pizzathegamer8249 J O I N U S

@pizzathegamer8249

3 жыл бұрын

@@nwiiho4215 SHUNGITE

@casvandelaar8671

3 жыл бұрын

Same man I feel you

When I was in HS I built many of them. Our rules wouldn't allow for any modifications to the trap and had overall dimension regulations so it could only be so large. Mine would go the full length of the basketball gym at the school. Great memories. Cool video

I remember making one in highschool when I had terrible time management. I had to reach a certain distance, and all I had was cardboard and 6 hours the day before it was due. I used a thread spool as a front wheel, comically large lever arm, and the largest circle I could cut out in the back. The thing went 5x the distance of almost everyone else, only being beaten out by the super low friction speedster of my buddy. It's a cherished memory of mine.

13:30 this is how happy I imagine Mark is *ALL THE TIME* when he's learning, making, and teaching! Keep up the great work!

@jimmesc

6 жыл бұрын

Hub Han Great minds think alike. I saw that and thought the very same thing as you did. I wish I had as great a mind as Mark.

I'm never going to let Mark pour me a glass of tea.

@goldenmichael9981

3 жыл бұрын

A robot to support robot to give you the part that will attach to a robot that will pour you a tea

If this is an optimization problem, could you use calculus to find the ideal ratios to reach a certain distance?

@connis2299

2 жыл бұрын

It would be difficult since you don't know the exact parameters at play There are several methods to optimize based on limited data and they mostly come down to "smart efficient ways to interpolate between samples then optimizing this interpolated model"

The satisfaction you get when you learn about the stuff he’s talking about

This video is a tutorial for almost all kind of rolling. I mean, it explains drag racing cars tweaks, bicycle gears/wheelsize, etc. Love the video, thx

Just get an electric mousetrap and use it as a motor *modern problems require modern solutions*

@jdwolf55

5 жыл бұрын

I love this comment

@vye6737

5 жыл бұрын

in the case of science Olympiad at least, you're not allowed to use electronic devices

@tacosauce6268

5 жыл бұрын

*outstanding move*

@Doughy3205

5 жыл бұрын

Satria Sutena haha

@magicl3o

4 жыл бұрын

Solar panel 😂

Explained mechanical advantage in five minutes with twenty or so examples better than my physics teacher did for a whole school year . . .

@romanski5811

Жыл бұрын

Seems like you have some animosity toward your teacher. Stop intentionally disrupting his class and not listening.

I love watching you because you teach me things without making it boring

He deserves more. He literally travels soo far for just a video!😸

@drmg735

4 жыл бұрын

no crap he deserves more

@camopug

4 жыл бұрын

Yep.

@ansonpoon4814

4 жыл бұрын

Hmmmm, you heard of Nick Robinson?

@whitemingo8152

4 жыл бұрын

Yes

@kiranayuri570

4 жыл бұрын

He also takes like months sometimes

"I can lift 10 pounds 50 times" *has a 12 pound weight*

@giornogiovanna4758

3 жыл бұрын

same thing different number

@cartervaught3629

3 жыл бұрын

Lol

@DocFanti

3 жыл бұрын

Huh

@wrog7616

3 жыл бұрын

I saw that too! lol

@bronysavior7740

3 жыл бұрын

Looks like it says 14 not 12

I have no idea what he’s talking about but I just listen

@sunnyhacksdiy3509

3 жыл бұрын

Same

We were assigned to watch this in our science class today Amazing decision

i just love how she punches the icecream out of marks hand

@questionmark3073

5 жыл бұрын

questacon 😇

@cardmusician5355

3 жыл бұрын

More of a slap but......

al is my current physics teacher, ama.

@angiebeattie4113

6 жыл бұрын

What is your favorite demo so far

@wink9114

6 жыл бұрын

thanks for the heart mark, now i'm finally famous. angie - probably the one where he blew up the ceiling with a bottle. that one was pretty neat. cos he blew stuff up. with a bottle. will - because i have the mind of a third grader

@zAznInVaznz

6 жыл бұрын

best teacher ever or what???

@perluc_

6 жыл бұрын

Did you ever get the „Hammertreatment“?

@MrDabien

6 жыл бұрын

do you like bread?

We did this in 8th grade. We had two days to try it on. First day, I used Tinker Toy wheels. I only had tape to hold everything together, and my first attempt, the wheels spun and didn't go far. Tried again first day, my car broke, and pieces flew forward about 3 feet. I went home that night, and changed wheels to records, and found glue and more tape, and used Tinker Toy sticks to increase the length of the arm for the pull. Had built it all on my own, since my parents were divorced, and was at my mom's, and she worked graveyard and was sleeping while I was working on it. To get an A, had to get it to go further than 12 feet. Second day, my remodeled car made it 21 feet. The kid that one, he had laser discs he used, ball bearings, he had gone all out. This was in the early 90s. Was a lot of fun. You mentioned the straw bridge, my friend and I won our science fair competition in 8th grade. Another teacher entered, and accused us of cheating. My friend and I planned out our design, using triangles, and we were given one box of straws to use, and couldn't use more. We found we had used half the amount of straws we had available. I wasn't ready to go home, and just out of boredom, my friend folded a straw, and inserted it into another straw. I saw him do that, "hey, hold on!" And he paused, looked, and then he realized what I had just realized. We took apart our bridge, and folded half of our straws in half length wise, and inserted them into the other straws. We then rebuilt our bridge completely using these new combined strength straws. The teacher that competed against us, said we used straws that weren't provided by the science teacher. We showed the science teacher what we did, and he could count every straw if he wanted to, we did not exceed the amount. Our bridge won first place easily.

Thank you for the video Mark Rober, I'm doing mouse trap racers for an engineering unit!

I remember building one of these in my 8th-grade science class. Once I finished the project, and presented it at school, my father attached Estes Model Rocket Engines to the car.

@J0.n.

2 жыл бұрын

Please tell what supplies you got for the car need help for my science project

The street fighter transition at 4:27 is amazing. Thank you for putting in that extra effort into your videos!

I think he would is a really cool, chill, inspirational, and wholesome teacher in my opinion. 10/10

Bro's filming in rain.. And I didn't notice the first time.. That is dedication! Keep the lessons going! I love your videos!!

All I said was "new Mark Rober video" and the 5 yr old and 9 yr old came a-runnin' :) We love science in this house.

@reicintron

6 жыл бұрын

UgniusKas ja 💀

@silverturtle0213

6 жыл бұрын

UgniusKas yes, I was a physics major for 2 years so i can clarify but I'm not great at getting them excited. They somewhat get it but Mark is very entertaining too.

@davantebaptiste5038

6 жыл бұрын

Nice wip

@davantebaptiste5038

6 жыл бұрын

Mr. mouse is getting all the honeys in his car

@davantebaptiste5038

6 жыл бұрын

Do your thing Mr. mouse

Holy cow! Thank you for another amazing video. I have two sons studying engineering at Utah State and we all love your videos. We're going to have to have a family mousetrap car competition. and then AFTER that, I'll show them the video. Keep up the great work.

i just lovw how mark just continued to explain physics in the rain

I made one with 2 mouse traps in series with the string attached to a 2 sided fishing hook so it could be tranferred to the second bar. It was a cool idea and worked but not as well as the long armed ones.

Jokes on you, I'm part of the 3.3% of people who have a school project on this

@lyhi2951

4 жыл бұрын

Oh lord tachanka, we are not worthy for your existence

@blade_w1nn1ng21

4 жыл бұрын

Lucky

@adiljaved1330

4 жыл бұрын

TheCringyGamer _ 0.3%* he said 99.7%

@zanefuehrer962

4 жыл бұрын

Same

@shrimp9760

4 жыл бұрын

He said 99.7% of people don't do this in their lifetime, so 0.3% of people do this in their lifetime.

I love what you do and patiently wait for each video.Thank you for making me and my family smarter and more interested in science.

@ab-zd3ue

6 жыл бұрын

.

Built a pinewood derby car a long time ago and my dad gave me some of the graphite he had -- those wheels had NO resistance, nice advantage!

So pretty much the tortoise & hare explained through mechanics. Noice

I remember building mine out of legos. It impressed my Physics Teacher so much that he asked if he could take pictures of it to use for future examples. I hated him as a person, but I respect him as a teacher.

@playitcoolman7820

3 жыл бұрын

Wow.

@edmund8954

3 жыл бұрын

Impressive.

@KmChx_MX

3 жыл бұрын

Well that took an unexpected turn at the end, dang 😂😂

Mark: Talking about Mechanical advantages Weather: RAIN! Mark: Keeps talking!

@lazerblazer528

3 жыл бұрын

Yes

I learned more in one video that I would learn in one school year.

@regenpalkar4385

3 жыл бұрын

School sux

Mark just fanboying is so pure

Can we get a R.I.P in the chat for Mark's ice cream

@lnx-retr0438

4 жыл бұрын

RIP

@playstation6977

4 жыл бұрын

RIP

@Ripsawman0

4 жыл бұрын

Rest in peace

@calebyao.

4 жыл бұрын

RIP

@hossclark2889

4 жыл бұрын

Rip

"I could move the earth if I had a lever strong and long enough" -Archimedes (supposedly)

@aidanbeattie8341

4 жыл бұрын

That lever would have to be 3 light-years long but yeah

@lettuce7378

4 жыл бұрын

@@aidanbeattie8341 lol yea

@ashishere771

4 жыл бұрын

@@aidanbeattie8341 well better get building

@mrugankthatte4378

4 жыл бұрын

And a place to stand*

@lettuce7378

4 жыл бұрын

@@mrugankthatte4378 yes

Such a fun idea for a snow day craft with my science-obsessed kiddo :D

This just makes me feel like I’m learning something from science Olympiad

i actually lol when the girl slapped the ice cream out of marks hand

@Chago1997

6 жыл бұрын

John Made it same

@TrevorRS05

6 жыл бұрын

Lol

@billybob9658

6 жыл бұрын

Meg from family guy

@coragon42

5 жыл бұрын

@Joseph Park Thanks for the karma

@Anonymous-rx8gp

5 жыл бұрын

Mark deserved it. Karma🤣🤣

Was in a high school class that did this in the 1990's. The teacher had two criteria, first to 10' and longest distance traveled. So I had a car with a conical spool on the drive axle, which helps with both good starting acceleration and changing the drive ratio to stretch out the range. So I thought I was clever in trying to score well on both criteria. Turns out I wasn't clever enough... Some other kid in the class found a loophole. At the time the contest didn't stipulate that the mousetrap had to be part of the car, nor did it specify that the car must stay on the ground. So he had one of those Micro Machines toy cars and used the mousetrap to catapult it down the hallway. It flew about half the distance before bouncing off some lockers and skidding to the end of the hall. Thus insta-winning both categories, even if it wasn't in a way that was the intended nature of the contest. The teacher allowed that because he considered it fair given the provided rules, but changed the rules for the next class that did this project so no easy cheats could happen. I can only laugh about it though, since I was on friendly terms with the kid that beat my design. Nobody was allowed to copy each other, so I was wondering what strategy he had that would beat mine and I thought he was joking about it. (He wasn't wrong.) So what about my car? It ended up 4th in distance and 2nd on speed. Didn't have access to fancy bearings like others did for the distance, and only got the speed because everyone else trying for it spun their tires on the polished floor. However it did get awarded the most interesting design for having a novel approach compared to others. Everyone else thought the overall win strategy was too cheesy too.

@kadenfurr9699

6 жыл бұрын

I wish my school did things like this

@cobbiliu6222

6 жыл бұрын

absolute GENIUS

@cobbiliu6222

6 жыл бұрын

same

@global_abc6773

6 жыл бұрын

Kaden Furr I did this in 7th grade

@mrmanisaboy9037

6 жыл бұрын

I tried to do that loophole because my teacher had only listed that the rules were the mousetrap car was solely powered by a moustrap. He was mean and changed the rules for this 2 days before the project was due.

진짜 이유투버는 내가믿고 구독하고 보는 유튜버다🎉항상 재미있게 과학을 설명해주셔서감사합니다❤

your has a bigger wheel, so a bigger scirconference, so just spin faster if the rotation force is aplied to the center of it and the theet are for more friction