Mechanical Engineering guy can just drop out alr 😂

@NIUNAIMIANBAO

Жыл бұрын

I think maybe in wrong diploma

@johcx1994

Жыл бұрын

Electrical questions can get wrong but forces....? Hmmm.

@marvint480

Жыл бұрын

@@johcx1994 actually the parallel and in series is pretty standard. I did mechatronics and mechanical engineering student.

@jessicalang7320

Жыл бұрын

Secondary 2 students are learning the parallel and series arrangements. Sec 3 students learn resultant forces.

@mohamedirfan2507

Жыл бұрын

He already got his diploma bro hahahhaha

Wow! I wish was there to answer the questions. As a Physics undergraduate, those are some basic level questions, but seeing people who has not much background in Physics answering those with their intuition, got me impressed 👍🏻

@imthecoolest50

Жыл бұрын

I’m an undergraduate pharmacy student, but I know all these. You learn all this in secondary school. I’m not a Singaporean though, I don’t know what their syllabus is like but it’s supposedly better than most other countries including mine.

@leftenanalim

Жыл бұрын

@@imthecoolest50 Yes. I learnt these from secondary school too. I guess the question asked is reasonable for the public if Singaporeans have this syllabus too. I'm not Singaporean too though by the way

@khizzard_069

Жыл бұрын

I'm a sophomore lol. Answered most of 'em correctly. Although my marks don't show that (they're improving though!) , I've exorbitant interest in physics, especially astrophysics These are just the basics

@fukinyouup

Жыл бұрын

@@leftenanalim most people do, but if you're not going into physics its pretty useless knowledge so you forget it instantly

@leftenanalim

Жыл бұрын

@@fukinyouup Most people do? Wow that's good to know. Proud that Physics is getting more popular and high in priority for education these days.

Well done guys! Haha! For those taking H2 physics, take note that centrifugal force is not in the syllabus, but centripetal force is. For those taking university physics, it depends on your frame of reference. As pointed out by the host, centrifugal is an apparent force and not a real force.

@chuanrenlow8506

Жыл бұрын

Was that taught in mechanical engineering in university? I don't remember that being taught in mechanics of machines but I took that module 8 years ago, so I may have forgotten.

@mrtienphysics666

Жыл бұрын

@@chuanrenlow8506 My degree is physics. So I am not sure what mechanical engineers learn. Any mechanical engineers here care to comment?

@chuanrenlow8506

Жыл бұрын

@@mrtienphysics666 wow that's a very specialised degree. I took one physics module in the first semester 10 years ago but I don't recall if the distinction between centrifugal and centripetal force was taught.

@internetskid29

Жыл бұрын

yes centrifugal force is a force felt when you are in a non inertial frame of reference :) spho has taught me

@ramanathanreddy2047

Жыл бұрын

Yeah i studied this in class 9 u r talking about university lol🤣

Well done and keep fighting👍🏻💪🏻😊 Thanks TMTV and Jmiah for sharing the new street quiz Physics to let everyone's to learn what's about Physics🙏🏻😊

the first video I watch from your channel. Is there any geography quiz version? If not, I request to make it for the next video. Good content, keep it up, bro!

Voltage is defined as V=IR only in a resistive circuit. It is V=Q/C in a capacitive circuit and V = di/dt*L in an inductive circuit.

@johcx1994

Жыл бұрын

I mean simple la... Even if we know the definition is not the truest, but asking people to solve integrals and all will be mind-boggling.

@sfqm1083

Жыл бұрын

Okay genius, now tell me what is the Electric Field at Point P in your ego where charge = inflated

@mazocco

Жыл бұрын

The capacitor and the inductor wont contribute to the voltage if the circuit is at balance/static since they will be fully loaded. You will only consider them in a case of voltage variations, like an AC source, but that makes things A LOT more complex, since you should be considering also the capacitance, inductance and resistance of every component including the wires and source at this level and some complex calculations that goes from integrals up to partial equations depending on how far you want to go.

The uncle damn cute lah, “integrated resort” 😂😂

the contestants this time round like all quite funny ah hahaha

It's amazing that I am 29 and its been some years since I left university, I could still recall the stuff and answer all these questions 😂 To my high school and A-lvl physics teachers I never disappoint you lmao.

Voltage is not part of the current. Voltage is what makes the current flow by establishing two points which have potential difference between them. You can have voltage, but not necessarily current. Imagine a wall socket. You can turn in out, but no current will flow because it is not connected to anything. Current will only flow if you connect a physical conductor between the 2 terminals.

@WalrusJeffGT

Жыл бұрын

🤓

@dbuc4671

Жыл бұрын

@@WalrusJeffGT 🤢🤢🤢🤢🤮🤮🤧🤮🤮🤮🤮🤮

Nice episode.. learnt something new.. can include geography in next episode?

@johcx1994

Жыл бұрын

I would love if he separated into physical geog (rainforests and rivers) and human geog (human development and geog of food). Thats all I rmb from sec sch.

I have degree and master degree in Physics but I need time to answer these questions. Been so long forgot already 😂

You'r really doing great buddy.. Somehow you'r teaching people to remember some basic concepts.... Because of the last question,i started doing calculations😅

@muhammadzeeshan303

Жыл бұрын

You’re dumb if you started calculating 😂. No offense but it’s stupid cuz it’s in the question

@aryank5643

Жыл бұрын

@@muhammadzeeshan303 its okay but its not being dumb if you want to calculate or wanna learn...

Jeremiah u shld ask school students den confirm give away all ur money 😂

@28mlee

Жыл бұрын

this is more like a memory test than a physics test for older people

Its so painful to watch this video as an engineering student 😭

@yyddod

Жыл бұрын

So true

oh. wow , i just finished my o level, then I forget all of these already. btw, i am a pure physic student

Now we need the chemistry test🤣🤣

@johcx1994

Жыл бұрын

Yes, very much agreed.

@SuccessforLifester

Жыл бұрын

It will be more difficult as more memorisation are required

@johcx1994

Жыл бұрын

@@SuccessforLifester You mean the periodic table or smth? Lets see how they decide to jpg the memory of ppl

@SuccessforLifester

Жыл бұрын

@@johcx1994 Many things to remember for chemistry. Including the reactivity of the various metals, the observations to see what gases are products and what kind of salts are present. To me it is a more difficult subject than Physics.

@ekaterinakuznetsova

Жыл бұрын

@@SuccessforLifester definitely more difficult than physics unless you are good at memorizing

The brightness question is quite difficult, actually the bulb that is the brightest is the one with the highest power consumption. P = V^2/R, and let's say each battery has voltage V and each bulb has resistance R, and we know that potential difference across each path is equal to V times the number of batteries, and the resistance of each path is R times the number of light bulbs. Then we need to use P = V^2/R for each option and find out the power consumption in each path, and then divide by the number of bulbs in that path to find power consumption of bulb T, as the bulbs are identical so the power will be shared equally. For the last circuit, T is connected in parallel with one other bulb so we can combine the two paths into one path with a total resistance of 1/(1/R + 1/R) = 1/(2/R) = R/2. So the power consumed by that combined path will be (2V)^2/(R/2) which is 8V^2/R. This power is shared equally among 2 bulbs so the power consumed by each bulb is 4V^2/R which is the highest among the 4 options. Therefore bulb T in option d) will be the brightest.

@talkingkangaroo4934

Жыл бұрын

Don't need so much computation. Just need to know the voltage across each bulb. Higher voltage, brighter bulb. Voltage across T is directly proportional to number of batteries and inversely proportional to number of bulbs connected in series. So the relative brightness of T in the four options are 1

@chuanrenlow8506

Жыл бұрын

@@talkingkangaroo4934 I think bulb brightness should depend on power instead right? Cos light is energy, so higher wattage = brighter bulb

@talkingkangaroo4934

Жыл бұрын

@@chuanrenlow8506 The lightbulbs are identical so R is constant. It's only the voltage that is variable.

@chuanrenlow8506

Жыл бұрын

@@talkingkangaroo4934 ah that's true

Side note: Centrifugal Force is not real. Only Centripetal Acceleration is real. 😊But anyway we call the resultant force as centrifugal force.

Waiting for IT

Is that Jaze phua ?

I always thought mv^2/r towards the centre of the circle of the path of circular motion was centrifugal force for these few years, or perhaps I just mixed the two up after graduation.

@wenhanzhou5826

Жыл бұрын

Centrifugal force is +mv^2/r. Centripetal force is -mv^2/r.

@lackdejuranez7084

Жыл бұрын

Well centrifugal force isn't real, it's something that just exists in non-intertial frame of references where we add a force to make Newton's Laws Valid in such frames

@raja2850

Жыл бұрын

Pseudo force is applied to make Newton's second law work in Non inertial frame of reference. With respect to the revolving object, mv²/r is acting outwards. BUT it is only so because in the radial axis, the net force is zero. So therefore the force acting inwards is equal to the force acting outwards. Therefore, net force inwards is equal to mv²/r where v is the tangential speed of the body at that instant.

@jobswithindustrialofficer

Жыл бұрын

@@wenhanzhou5826 it depend on frame or reference the sign convention

@dbuc4671

Жыл бұрын

@@raja2850 ......totally😅😅

It is my dream to be given a pop quiz on school subjects when I'm walking along the road and win money tell me where to sign up pls

Very cool

where to find y'all sia :

5:31 why would V=E/q be wrong? Is that not the definition formula for voltage? I'm guessing its because this formula is impractical to calculate voltage-its much easier to calculate voltage using a known resistance and current, but clarification would be nice.

@divine6104

Жыл бұрын

@@apelumaupaku883 eh, q is the term referring to charge, and E refers to potential energy rgt?

@ryanchia5678

Жыл бұрын

@@divine6104 in electrostatics, E refers to electric field, while U refers to electrostatic potential energy

@divine6104

Жыл бұрын

@@ryanchia5678 Then ΔV=ΔU/q. The symbols shouldn't matter at least in fhe context of the video- only the meaning does.

@ryanchia5678

Жыл бұрын

@@divine6104 oh i get what u mean now emf = E/Q and emf has a slightly different meaning from voltage V=E/q is not the definition of voltage, V=IR is the reason for that is, as u said the voltage is much easier to calculate from V=IR

Really really amazing content I like it friend A lot funny but serious

I thought the ball being twirled around will experience a centripetal force, towards the centre, provided by the string tension?

@flamespire4465

Жыл бұрын

Centripetal force is the component of force acting on an object in curvilinear motion which is directed towards the axis of rotation or centre of curvature. Centrifugal force is a pseudo force in a circular motion which acts along the radius and is directed away from the centre of the circle. - google he also said it was away from the center

@noobestofdamall

Жыл бұрын

The ball experiences a fictitious force as it is in a non-inertial reference frame, which is the centripetal force. The "real" force it experiences, from an inertial reference frame, is the centripetal force. A non-rotational analogue would be feeling the lift "push you down" when it's accelerating upwards. You, in a non-inertial reference frame, experiences a fictitious force downwards. The actual force, lifting you up, is from the bottom surface of the lift, acting on your feet.

The guy with ear rings looks very much like the hk actor Timmy Hung

I thought the last question gonna ask about the coefficient of friction. To be honest, a high school student can answer all of the questions..

I wish I was back in school... studying is so easy compared to the working world.

@GrannyPanny111

Жыл бұрын

i sense some frictional force on your path. But MrNewton chose to calculate it.

@aelardiz

Жыл бұрын

@@GrannyPanny111 ooooo99oo9

@aelardiz

Жыл бұрын

Oo

@aelardiz

Жыл бұрын

Oo99

Parallel and series

Nice content

Actually Newton’s third law can be applied in the last QN right? for every action (force) in nature there is an equal and opposite reaction. So no need for F=MA because of the constant speed. I feel like I recall my teacher teaching this shortcut in sec sch so we don’t need to do the calculation n everything to figure out the answer. Cause during O levels where got time sia we need to answer FAST FAST N GO NEXT QN HAHHAAH

@IvyLimOhimesama

Жыл бұрын

But yeah the correct explanation is second law then add on with third law cause resultant force is 0. Man this brings back memories!

@lackdejuranez7084

Жыл бұрын

The forces act on different objects though,

@maisandesu

Жыл бұрын

If we use this formula "F - f = ma", where f is the resultant force. Knowing that the acting force is 5N, and that the mass is 4kg. We can substitute F and m, which in this case would be, 5 - f = 4 * a However, as the question states that "constant speed is 1.5m/s", this is the "tricky" part maybe. So long as there is constant speed, there will be ZERO acceleration. In this case, 5 - f = 4 * 0 Now just solving it mathematically, 5 - f = 0 f = 5N Hence, your resultant force would be 5N. Frictional force will always oppose motion, in this case acting against the force applied to the block. That is also why there must be constant speed, which is the same as the question stating. Do correct me if I'm wrong, it's been some time since I last touched Physics haha.

@raja2850

Жыл бұрын

F=ma NET FORCE= mass * acceleration. Here a=0 Therefore Net force equals to zero.

@raja2850

Жыл бұрын

The third law doesn't do that. Third law only tells about the normal reaction. Block exerts force on floor. Floor exerts force on block.

The questions are so easy....

Funny thing, I’m still in primary but I already know all the answers to all the questions- sadly I’m not in Singapore tho-

@takodachich.515

Жыл бұрын

Yea of course, these questions are targeted at the younger audience so if you can't solve them then somethings wrong

@raja2850

Жыл бұрын

@@takodachich.515 younger audience? This is taught to children in middle school. If you can't answer this after passing school, shame on you.

@mingjinlim430

Жыл бұрын

@@raja2850 many people go to their work force not needing any of this lol and after decades of course people will forget

@raja2850

Жыл бұрын

@@mingjinlim430 western civilization is where you can survive by studying 'gender studies'. The disgust..

i learnt more physics here compared to my school

Law of inertia - resistance of force when velocity suddenly stops Law of Acceleration - the more you accelerate the more you gain mass thus you need more energy to accelerate more Law of Interaction every force has an equal and opposite force of interaction

Honestly this are very easy set of questions. Like almost all my friends would have know the answers to all these.... And I/we are not even in the field of academia...

@J1010K1

Жыл бұрын

You want an award for that?

@iMoreno

Жыл бұрын

Stop the cap 🧢

@russellweefs

Жыл бұрын

This is* a very easy set of questions. You could get all the answers right, but couldn't write basic english sentences.

@SuccessforLifester

Жыл бұрын

@@russellweefs Maybe he is more science and mathematics oriented. Technical people tend to be weaker in languages 😄

@ruminatingenigma4649

Жыл бұрын

Honestly i could answer this back in school too but many years after graduation it's hard to remember anything

I actually thought it was Parallel and Series, not Short circuit?

IR = integrated resort! Hahaha ~

WAH THE questions all easy. Suay I not at orchard to be questioned by him

uncle got jokes😂

The mechanical student thinking 1.5m/s is speed 😭😭😭😭😭

@mohamedirfan2507

Жыл бұрын

m/s is speed..

@raja2850

Жыл бұрын

Formula for kinetic friction is also (meu)N. N=mg here. But meu which is coeff. of friction is not given.

The light bulb brightness question should have been the advance question as it is the most difficult and required further analysis. I was tricked by it too but I know the answers of every other questions

@johcx1994

Жыл бұрын

Tbh if you remember resistance, parallel circuits have the lowest resistance (given if you were to set up similar number of bulbs/resistors). Parallel circuits give the lowest resistance (by mathematical formulae) and thus the resulting bulbs will be the brightest.

@SuccessforLifester

Жыл бұрын

@@johcx1994 yes I didn't recall much at first as it was in an easy category. I wrongly used the current concept that it will get the most current while parallel circuits need to share the current

@_graiderz2462

Жыл бұрын

Nah, it was an easy question.

@SuccessforLifester

Жыл бұрын

@@_graiderz2462 Almost no one get it right though. The final advance question is the easy one

@nazunasapostle1stapostleof755

Жыл бұрын

Imo the most difficult tier should have been a heat capacity question. Ofc given the formulas to apply since these arents students still studying the topic Like 15kg of ice at -10°c melting to water and final temp is 20°c,find total energy required to melt the ice

HUH i thought brightness of bulb is proportional to current?

@paulskiye6930

Жыл бұрын

In a single lamp case it is.

I hope u interview me I'm gonna make u bankrupt with those questions 🤣🤣🤪🤪

"mechanical engineering" nice

Easy.

why am i not a millionare for all the questions i solve?

SHAG

Test food science

So ez

非常简单的题目

could have been $205 for free

Change tshirt bro , helps with the freshness

M=f/a

Short circuit answer is wrong.. It is series circuit

@dingus42

6 ай бұрын

no it is acceptable. In engineering we do talk about open and short circuits regularly

@mikebrown354

6 ай бұрын

​​​@@dingus42 pretty sure you are using it wrong.. Here is the definition: A short circuit (sometimes abbreviated to short or s/c) is an electrical circuit that allows a current to travel along an unintended path. A short circuit is only used for unintended path.The diagram show was an intended circuit therefore series circuit.

Plzz come in india

@raja2850

Жыл бұрын

All his money will be gone in a matter of seconds.

Can we do chem? Please. 🥺

Fnet=dp/dt

eh i thought the friction force is 0 since theres no coefficient of drag, but his explanation also makes sense idk anymore

@noobestofdamall

Жыл бұрын

We know that it's moving at constant speed, which means its net force is definitely 0. Since we're assuming that there's no air resistance, the only opposing force comes from friction, which has to be equal to the pull, so 5N in the opposite direction. I was a physics major, trust me.

@riazmohamed6548

Жыл бұрын

@@noobestofdamall could the acceleration hav been 1.5? Like the question said there was a block resting right…..so v1= 0. V2= 1.5 …..?…..I was confused ….since they didn’t give the value of coefficient of friction I figured the ans was 5…but still was confused….

@dingus42

6 ай бұрын

@@riazmohamed6548 constant speed means acceleration is 0. Once the block is in dynamic equilibrium (as the question is framed) what happened between rest and accelerating to 1.5m/s speed is irrelevant

o level students be like

Ezpz pls choose me…

RIP mechanical engineering 😂

I thought Singaporian people are so intellectual bro this is high school qnss, tho they did good

Singaporeans typically do better in STEM related disciplines. Look at the other videos on language and humanities. No eyes to see 😂

F=ma

I wish Filipinos have vlogs like this

stop watching tiktok at class🤣🤣🤣🤣🤣🤣

太简单了尤其是最后一题，看着干着急，那个印度人还装模作样演算一遍

The responses by all the participants are quite appalling... were these concepts really that forgettable or not that relevant in life? ☹

This just shows that whatever u learnt from school doesn't apply to work/job. So why the F we study all this during school sia. Waste time

@maltitos5180

Жыл бұрын

It's to expose you to more things so you can choose your career. Several careers do require this.

@SuccessforLifester

Жыл бұрын

It is a training on your ability to learn, solve, and persevere

@2ndchance220

Жыл бұрын

you only consumer what you know..this stuff is for creators

this video just proves that physics isnt easy and our parents have very high standrads

@harshgaming8088

Жыл бұрын

Bro what, u finding excuses to be lazy

@sportsaddict790

Жыл бұрын

LOL these are fking easy qns

@tak3sh129

Жыл бұрын

Just because they cannot answer does not mean it is not easy lmao 🤣

@SuccessforLifester

Жыл бұрын

Actually more of dealing with memory loss. Many information slowly disappeared with age. I did have bad physics teachers I would say. Never teach properly for both O and A levels

Alamak! The engineering guy,tak boleh lah! Belakang pusing..embarassing...

Why is the 21yr old guy dressed like a 40yr old abang lol

The last answer seems incorrect. If the frictional force is equal to the pulling force, then the brick shouldn't move at all. The fact that it is moving at a constant speed because of the pulling force suggests that the frictional force is less than the pulling force. And to get an accurate answer you would need to know the co-efficient of friction which depends upon the roughness of the surface.

@tigakmumu

Жыл бұрын

frictional force is not equal to pulling force initially. as speed increases, frictional force increases until it is equal in magnitude to the pulling force, and acceleration of block would be equal to zero, thus it travels at constant speed

@karanliya7056

Жыл бұрын

@@tigakmumu Yaa now it makes sense. thanks

Even the 'proper' explanations by the channel are bs

@tand9854

Жыл бұрын

The host is just a layman so must be more forgiving. Some of his explanation not very correct

Accent make video uncomfortable to watch 🤣 .