Does a Vacuum Chamber Weigh Less Under Vacuum?-Mind Blown!

Ойын-сауық

In this video I weigh the vacuum chamber when it is under vacuum to see if it weighs less without air in it. Then I weigh the chamber with pressure in it. Then, I see if objects in the vacuum chamber change weight when there is no air in the chamber! This was such a fun video to to make! I knew what would happen but it was so neat to see it in real life!
WARNING:
This video is for entertainment purposes only. If you use the information from this video for your own projects then you assume complete responsibility for the results.
My Other Channel:
/ @actionlabshorts
If you want to help help me make videos you can contribute at:
www.patreon.com/user?u=4933784
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Пікірлер: 837

  • @SamiraGonzalez
    @SamiraGonzalez6 жыл бұрын

    Recently found your videos and I LOVE them. This is the kind of science that intrigues me. I definitely subscribed.

  • @fidelty2427

    @fidelty2427

    3 жыл бұрын

    Yeah unlike the Big Bang. Please demonstrate that.

  • @Priyanshusinghal100
    @Priyanshusinghal1006 жыл бұрын

    The Action squad

  • @Curryskie

    @Curryskie

    6 жыл бұрын

    Priyanshu Singhal This is exactly what I was going to type.

  • @sgt.johnson6288

    @sgt.johnson6288

    6 жыл бұрын

    Priyanshu Singhal no

  • @harshityashwardhan

    @harshityashwardhan

    6 жыл бұрын

    Priyanshu Singhal plssssss this name is awesome

  • @secret3518

    @secret3518

    6 жыл бұрын

    This one is good

  • @abdusalomabdukayumov8640

    @abdusalomabdukayumov8640

    3 жыл бұрын

    So it’s been 3 years. Has he decided yet or?

  • @willparry
    @willparry6 жыл бұрын

    You should call the people who watch your channel "viewers", it's perfect!

  • @SteelSmoker

    @SteelSmoker

    3 жыл бұрын

    Exactly

  • @NothingPicksLocks

    @NothingPicksLocks

    2 жыл бұрын

    Lol

  • @eklhaft4531

    @eklhaft4531

    2 жыл бұрын

    Except me. I am a stalker. Also why did I not see this video 4 years ago? I deffinitely was a subscriber back then.

  • @amritranjan987
    @amritranjan9873 жыл бұрын

    This is one of my best experimenting youtube channel. Thank you action lab for giving knowledge through ur experiments. I have learnt a lot from u. Love u so much❤️❤️❤️

  • @troseberry91585
    @troseberry915856 жыл бұрын

    How about The Lab Rats? Or Actioneers?

  • @lank_asif

    @lank_asif

    6 жыл бұрын

    Tim Roseberry LOL I said the same thing!!!

  • @gabrielrader8921

    @gabrielrader8921

    6 жыл бұрын

    lol I thought actioneers for a bit too but lab rats is better

  • @TheGolem105
    @TheGolem1056 жыл бұрын

    Actioneers

  • @nedaddy1

    @nedaddy1

    6 жыл бұрын

    That was my thought too

  • @BahreahTheAll-Knower

    @BahreahTheAll-Knower

    5 жыл бұрын

    Labeers :D

  • @MammaOVlogs
    @MammaOVlogs6 жыл бұрын

    wow so that is one way to lose weight :) Way ( or weigh ) cool lol l feel heavy when l step out of a swimming pool, now l know why! Call us your Smartees

  • @connorcriss

    @connorcriss

    6 жыл бұрын

    Momma O I think it's more because of the weight of the water that's still on you than the difference between air and water weight.

  • @neurofiedyamato8763

    @neurofiedyamato8763

    6 жыл бұрын

    Most of the weight increase is from soaked clothes. Drench a T-shirt and pants and it feels no where near as heavy as when you come out of a pool. You just got used to the weight in water so when you get out the less buoyant air suddenly make you feel heavy. Yes the wet clothes do add a bit of weight but it isn't the major contribution to the feeling of heaviness.

  • @AndrewAce.

    @AndrewAce.

    6 жыл бұрын

    It's like he said; You're more buoyant in water meaning gravity doesn't effect you quite as much. After you've adjusted and then left the water however, you'll feel the full effect of gravity once more and feel heavier in contrast...

  • @neurofiedyamato8763

    @neurofiedyamato8763

    6 жыл бұрын

    You can easily prove it's not mere weight of water on wet clothing. get a pair of pants and shirt. Then drench it in water. Wear it or carry it whatever, it doesn't feel nearly as heavy as coming out of a pool. Also, I know what you are trying to say, but the phrasing can lead to misunderstanding. Gravity affects you as much as out of water. The difference is that some of its downward force is canceled out by a upward buoyant force. The forces are still there so it still affects you. For gravity to affect you less, you need to be farther away from an object with mass. Same result, I know I'm being pedantic but I felt like it should be something to be cleared up. Some people might misunderstand.

  • @AndrewAce.

    @AndrewAce.

    6 жыл бұрын

    *Neurofied Yamato* Yes, that's what I meant. Thanks... To be more accurate: 1) The buoyant force opposing the force of gravity on your body makes you feel lighter. 2) Once you've been submerged long enough your body adjusts to this feeling. 3) After you've left the water, it takes time to readjust to supporting the full weight of your body.

  • @EASTSIDEDELI
    @EASTSIDEDELI2 жыл бұрын

    buddy, your enthusiasm is enticing. Never stop learning!

  • @attilakiss8585
    @attilakiss85856 жыл бұрын

    Beautiful experiment, thank you!

  • @og5278
    @og52786 жыл бұрын

    Thank for giving more knowledge

  • @MochaTater
    @MochaTater6 жыл бұрын

    Maybe call them "Labsters"

  • @MIKENTULINI
    @MIKENTULINI6 жыл бұрын

    Actioneers ActionMen ScienceTeam WellPreservedMeat (because we love vacuum videos)

  • @Amira_Phoenix

    @Amira_Phoenix

    3 жыл бұрын

    How about Action Lab Rats? He does have two of them.

  • @azzshaikh

    @azzshaikh

    3 жыл бұрын

    @@Amira_Phoenix That is true.

  • @TheNocturnalAlchemist
    @TheNocturnalAlchemist6 жыл бұрын

    Pretty cool experiment

  • @Markcool2011
    @Markcool20116 жыл бұрын

    Lmao I cracked up when the balloon just popped randomly making a weird ass noise XD

  • @NicleT
    @NicleT3 жыл бұрын

    When I go to fill my propane tank, the guy put it on a scale and I’m paying number of grams loaded. All gases have their own mass. This video show it so well.

  • @JesusisJesus
    @JesusisJesus6 жыл бұрын

    This makes you wonder if the "21 grams" that a human soul is supposed to weigh, is actually just the weight of the air from the person's dying breath.

  • @LOTRFAN33

    @LOTRFAN33

    6 жыл бұрын

    Jesus Good question.

  • @keepyourshoesathedoor

    @keepyourshoesathedoor

    6 жыл бұрын

    Jesus You should know lol

  • @WafflosityX

    @WafflosityX

    6 жыл бұрын

    Jesus you're like an ancient philosopher.

  • @kolosdratos1889

    @kolosdratos1889

    5 жыл бұрын

    Yeah, lets weigh a suffocating person

  • @pietrayday9915

    @pietrayday9915

    5 жыл бұрын

    Thanks, Jesus - what a cool question, I've never heard of the "21 grams" thing before! Alas, the Christian doctor who conducted the experiment, Dr. Duncan MacDougall, actually ruled that possibility out, by conducting a test in which a living subject laid on the scale used in his experiments, and then exhaled and inhaled air. The air did not make any difference (and it should be noted that the exhalation of air from a corpse does not result in a vacuum inside the body, anyway.) Which leads to the curious matter of what, exactly, did account for the 21 grams in the experiment? The good doctor took care to perform the same experiment on both dogs and humans, and found that humans lost the ~21 grams of weight shortly after death, and the dogs didn't. MacDougall concluded, based on Christian philosophy, that the explanation must surely be that humans, of course, have souls, but dogs do not. But, the difference in results between humans and dogs might be the key to the explanation: when under exertion, such as running, playing, or fighting a hopeless fight for life in their dying moments, dogs pant - they can't sweat. Humans, on the other hand, can sweat, and the subjects of the experiment - suffering in their dying moments from tuberculosis, diabetes, and other ailments that might have produced copious sweating in a dying patient - likely did sweat. Sweat soaks into the hospital garments worn by the dying subjects, wicks through the fabric against the atmosphere, and evaporates. Modern researchers conclude that 21 grams of evaporated sweat might have easily have been lost by patients in the time during and following their death. Thus, evaporation of the patients' sweat is today the most popular and generous theory for the results that MacDougall measured. MacDougall's contemporaries and other critics have less kindly charged MacDougall with just plain bad science in the form of flawed experimental condition and poor sample size, or even accused him of deliberate fraud in the name of sensationalism! As near as I can tell, though, MacDougall conducted his experiments in good faith, and did his best to try to eliminate as many variables as he could, even if he might have reached the wrong conclusion, though it's only fair to note that nobody since has really made much effort to replicate the experiment since to see if the sweat theory actually holds up, or whether more extensive tests under more controlled conditions would still yield the same results MacDougall reported. Anyway, it's a curious question, and one I enjoyed researching the answer to a great deal! The easy answer is, "No, the scientist who concluded that the 21 grams must be the human soul actually ruled out the possibility that breath might account for the difference in weight!" The more difficult answer is, "No: it's probably not 21 grams worth of human breath, and probably not a human soul, either, but the experiment was flawed, it's never been conducted again under more controlled scientific conditions, and for now, it's anyone's guess what MacDougall actually measured!" Which is OK with me - I don't mind a good unanswerable mystery from time to time :)

  • @johnkirby5637
    @johnkirby56376 жыл бұрын

    Speaking as a fully vested "Gribquanalout", I can only say how well done this video is . On the other hand , a demonstration of anti-gravitational water movement would be nice. LOL, keep up the good work!

  • @davidoneal4819
    @davidoneal48192 жыл бұрын

    Awesome job really cool experiment. Good job in explaining as well

  • @matthewwelch1537
    @matthewwelch15373 жыл бұрын

    Hey! You could have used this as an opportunity to teach Boyle's law, which can explain why most of the mass of the air was already gone by the time you were at half an atmosphere. A lot of people would expect only half the mass to be gone at half an atmosphere!

  • @wildboy46_
    @wildboy46_6 жыл бұрын

    Since water flows slower out of a bottle than you think due to it being a small vacuum in the bottle and the pressure outside pushing some of the water back into the bottle, does water flow faster in a vacuum chamber? I know it'll be a little hard to do it in the chamber.

  • @limcheehean

    @limcheehean

    6 жыл бұрын

    WildBoy46 I like this idea

  • @Psychodegu

    @Psychodegu

    6 жыл бұрын

    water doesn't flow out of a bottle in a vacuum it evaporates.

  • @pedroff_1

    @pedroff_1

    6 жыл бұрын

    Psychodegu actually, I think it simply boils; of course, result is the same.

  • @nanonini

    @nanonini

    6 жыл бұрын

    kzread.info/dash/bejne/Z6Wa2tueXdO-k6Q.html His recent video if you haven't watched :) It travel faster but seems like steam turns into "flying" water

  • @kavinprasadm7320
    @kavinprasadm73206 жыл бұрын

    This video is awesome as always. I suggest we call ourselves "The Curious crew" Also the reverse effect is cool dude. Do it more often

  • @draygoes
    @draygoes6 жыл бұрын

    The Action Lab Ok, so this is a gross one, but I think its a fair question. What happens to a fish (Please make sure its dead...) when you put it under vacuum?

  • @ProPlayer-wq3nu

    @ProPlayer-wq3nu

    6 жыл бұрын

    What kind of question is that The fish will turn into a turtle it's simple physics not some rocket science

  • @draygoes

    @draygoes

    6 жыл бұрын

    We could always see if a cow will become cheese. (I just wanna see a cow become cheese)

  • @ProPlayer-wq3nu

    @ProPlayer-wq3nu

    6 жыл бұрын

    Draygoes Milk becomes cheese not the cow The cow becomes burger or a CHEESEburger

  • @draygoes

    @draygoes

    6 жыл бұрын

    You win this time. Top kek good sir.

  • @ProPlayer-wq3nu

    @ProPlayer-wq3nu

    6 жыл бұрын

    Draygoes Kek sir sportaflop does backflip now

  • @Doramius
    @Doramius6 жыл бұрын

    I've seen some other good selections, but I also thought "Actioneers" would be good. 'Action' combined with 'Pioneer'.

  • @wesbaumguardner8829
    @wesbaumguardner88293 жыл бұрын

    That's amazing how you un-poured that water back into that glass!! :-)

  • @TimpBizkit
    @TimpBizkit6 жыл бұрын

    The balloon kept floating for quite a while but expanded to compensate. I'm surprised it didn't burst sooner actually although technically it didn't have to withstand 1 atmosphere of pressure because the helium expanded too. When measuring the density of gas it's good to take in account the pressure because the helium will continue to float if it is allowed to expand to the pressure of the surrounding air. It would be interesting to try with a substance that to a certain extent did not allow expansion and contraction. It would be interesting to see if aerogel floats in several atmospheres of pressure, assuming it is not porous and allowing the air to come in and equalise the pressure. Maybe try argon too to see if you can float a piece of aerogel.

  • @lank_asif
    @lank_asif6 жыл бұрын

    The Lab Rats

  • @whitneyholeworth9649

    @whitneyholeworth9649

    6 жыл бұрын

    not gonna lie this was my thoughts exactly

  • @pedsay

    @pedsay

    6 жыл бұрын

    Yup. I was gonna way the same thing

  • @A_a_ron_4_RC

    @A_a_ron_4_RC

    6 жыл бұрын

    I was thinking that but since you said it then sure ill vote.

  • @mattwedd2511

    @mattwedd2511

    6 жыл бұрын

    Completely forgot that one. It's still real good

  • @jetnut89

    @jetnut89

    6 жыл бұрын

    I'm sorry did he ask for a name for his rock band or his viewers?

  • @LimitedCapacity
    @LimitedCapacity6 жыл бұрын

    Found this channel like 5 days ago and have watched so many videos now lol

  • @SouthwesternEagle
    @SouthwesternEagle6 жыл бұрын

    This was a great experiment!! :)

  • @thatguy1056
    @thatguy10565 жыл бұрын

    3:10 😂 he was telling the scale “back to zero grams” and it was all like “oops”

  • @mahnemjeff7074
    @mahnemjeff70746 жыл бұрын

    Try to blend polyethelyne glycol and see if it keeps its molecular chain . -Jeff

  • @qualitycontent8978
    @qualitycontent89786 жыл бұрын

    You never fail to confuse me

  • @stephinkoshyskj
    @stephinkoshyskj6 жыл бұрын

    Good explanation at the last section :)

  • @TheDisabledGamersChannel
    @TheDisabledGamersChannel6 жыл бұрын

    Great video !

  • @KomradeKD
    @KomradeKD6 жыл бұрын

    Lab Rats immediately came to mind, and I see that several others had the same idea.

  • @haraldmbs
    @haraldmbs6 жыл бұрын

    I know you knew what would happen, its quite simple physics but, i wanna say its a nice way of teaching people a bit of physics :)

  • @rpyt_7
    @rpyt_73 жыл бұрын

    This was awsome

  • @ToeShimmel
    @ToeShimmel2 жыл бұрын

    Great way to demonstrate that all matter has weight and why we actually have an atmosphere here on earth!

  • @PrimalBeastSK
    @PrimalBeastSK6 жыл бұрын

    Amazing Video

  • @DrDIYhax
    @DrDIYhax6 жыл бұрын

    cool project

  • @slipknnnot
    @slipknnnot Жыл бұрын

    Yes this is kind of known because in manufacturing they track gases in weight and the cylinders are on scales. Cool video though definitely mind blowing the vacuum part.

  • @templetap4022
    @templetap40226 жыл бұрын

    Keep up the good work

  • @egg7106
    @egg71066 жыл бұрын

    Hi luv ur vids

  • @jlpsinde
    @jlpsinde3 жыл бұрын

    Amazing

  • @jonasforsberg8199
    @jonasforsberg81996 жыл бұрын

    The thing with scales is that they approixmate mass based upon the force exerted on an object by gravity, there is another disconnect too because scales actually feel normal force, which is theroetically equal to force exerted by gravity. This only really matters when doing smaller measurments.

  • @einsteinisawesome9554
    @einsteinisawesome95546 жыл бұрын

    Your lab is DA BEST!

  • @MacBethanie
    @MacBethanie6 жыл бұрын

    so cool

  • @MarkoHR
    @MarkoHR6 жыл бұрын

    thats sick

  • @mennnzz
    @mennnzz6 жыл бұрын

    @The Action Lab I wonder what happens when you put hot water (already boiling) into a vacuum chamber with a thermometer?

  • @georgeknowles8762

    @georgeknowles8762

    6 жыл бұрын

    Brad McGashette Boiling water in a vacuum. As the pressure reduces, the water will "flash off" as steam. The temperature will also drop because of the latent heat of evaporation (in reverse) has taken energy away from the liquid water. Boil a kettle in Denver (mile high) and it will boil at a lower temperature than on the coast. An observable, tabulated, and theoretically verified phenomenom used millions of times by engineers on a daily basis. To increase boiling point, increase pressure. Again, easily verified with the use of a domestic pressure cooker. Not used domestically much nowadays, but it has 3 different pressure settings, achieved by 3 different weights on a needle valve, 5, 10, and 15 psi. Put some stew in a pressure cooker and bring it to the boil, but don't take the lid off until you reduce the pressure slowly by removing the weighted needle valve. You will be cleaning stew from the kitchen ceiling for days after you've left hospital, where you were admitted after receiving 3rd degree scalds to your hands and face. I think pressure cookers are still used in commercial applications. Just checked online- domestic pressure cookers are still sold. We just don't use it in our kitchen now. I'll have to check with friends and family to see if anyone else uses one. Maybe modern ones have a safety feature to prevent lid removal under pressure. The cheap domestic pressure cooker also demonstrates how easy it is to make a pressure vessel to withstand 15psi, as in a spacecraft, suitable for use in the near vacuum of space. In this case, it's air instead of stew.

  • @fangthewarrior
    @fangthewarrior6 жыл бұрын

    Call us "The Lab Rats?" xD

  • @Rachie-nj3oi
    @Rachie-nj3oi Жыл бұрын

    Hi can you tell me the dimensions of the vacuum please and if this was the same vacuum you used when you opened it underwater?

  • @user-zn2dh1fs4n
    @user-zn2dh1fs4n6 жыл бұрын

    I dont enough time to see all of your amazing videos , i learn electro optocis in israel and fails in curses just because i see your videos all day haha

  • @ichabaudcraine2923
    @ichabaudcraine29236 жыл бұрын

    I find the vacuum chamber kinda spooky to be honest. Like, "so there's nothing in there... Like *really* nothing."

  • @thesun1689
    @thesun16896 жыл бұрын

    what pump do you use ? can common tire electric air pump do that ?

  • @neil758
    @neil7586 жыл бұрын

    The Vac Pack

  • @truthbetold818
    @truthbetold8186 жыл бұрын

    I would like to see you do the equivalent or as close as, to the spacesuits used in the space apollo missions, placed in a vacuum. So however spacesuits withstand the vacuum of space, I would like to see an experiment showing this.

  • @loz11968
    @loz119686 жыл бұрын

    Cool video keep up the good work. Could you make a helium ballon neutrally buoyant in the vacuum chamber or can you only make it float to the top or sink to the Bottom of the tank?

  • @KeiJeii
    @KeiJeii6 жыл бұрын

    The Action Nerds

  • @whereswa11y
    @whereswa11y5 жыл бұрын

    The Action Lab- Love your work. Debating a flattie, I know I shouldn't, but it is fun until it isnt. Do you have a video where you weigh a mass inside the chamber, to compare weight with air and in vacuum? Does the air medium change the weight? Or the direction of gravity.

  • @juniorqindes8335

    @juniorqindes8335

    Жыл бұрын

    When will they learn that The earth isn’t flat? It’s cylindrical.

  • @arthemis1039
    @arthemis10396 жыл бұрын

    The Lab Rats :)

  • @beenz07
    @beenz076 жыл бұрын

    Balloons would not get "heavier" in vacuum chamber but the buoyant force would no longer be pushing the balloon up.

  • @entropia5874
    @entropia58746 жыл бұрын

    You could consider an experiment on this: Buoyancy results from the fatc that hydrostatic pressure at the bottom of an object (upward force) is higher than at the top of the object (downward force). So if you "remove" the upward component of hydrostatic force, objects should no longer float. If you put a buoyant object at the bottom of a container, pour water and somehow manage to prevent water from getting "under" the object (probably hard to do in practice), will it no longer float? Or will it still float because the upward component of hydrostatic force is replaced by the reaction force of the bottom surface of the container? Then you could make a hole in the bottom of the container, cover it with a buoyant object, pour water and see if you can make the object stay at the bottom.

  • @Lee.S..B

    @Lee.S..B

    6 жыл бұрын

    entropia He's already done that test with a helium balloon. It sinks to the bottom when the vaccum is applied.

  • @onprint4868
    @onprint48686 жыл бұрын

    So dont you think the upper yellow and clock thing aplied some disturb on meature while its sucking??

  • @victorbrown3032
    @victorbrown3032 Жыл бұрын

    Can you do the same experiment with the plexiglass box but add a density column using several heavy gases and floaty things at each layer?

  • @Tompradoo
    @Tompradoo2 жыл бұрын

    I know this is four years to late but i think "The Action Fans" have a nice ring to it ;)

  • @jonnyrode
    @jonnyrode3 жыл бұрын

    I wanted to see the weight of the scale change when inside the vacumm chamber 4:56. If the total weight decreased, would the scales inside also pick up the same change in weight? Do objects on the scale inside the VC also decrease in weight by 1 atmosphere?

  • @MBasaar
    @MBasaar6 жыл бұрын

    does the weight of stuff decrease inside a vacuum? put a scale and vacuum for calibration then put some mass over it and vacuum lets see whether weight changes

  • @keiji1531
    @keiji15316 жыл бұрын

    Can you do sulfur hexaflouride?

  • @felpex1495
    @felpex14956 жыл бұрын

    Can you please test a tiny rocket in the vaccum chamber, pls. Good vídeo by the way.

  • @Schixotica
    @Schixotica6 жыл бұрын

    So if empty space is less dense than helium or anything it would seem, if you could get some very lightweight material that could resist collapsing from the pressure of the outside air when you sucked the air out of it, would it float or if so could you try and achieve this?

  • @ProPlayer-wq3nu
    @ProPlayer-wq3nu6 жыл бұрын

    Will you do more hydraulic videos? It's been long time since you did one

  • @TheActionLab

    @TheActionLab

    6 жыл бұрын

    +Pro Player 1⃣ Nobody watches them anymore...

  • @ProPlayer-wq3nu

    @ProPlayer-wq3nu

    6 жыл бұрын

    The Action Lab Oh it was 2016sh stuff I see I think people put acid on stuff right now Will you try it?

  • @TheActionLab

    @TheActionLab

    6 жыл бұрын

    yes, what do you want to see on acid?

  • @MIKENTULINI

    @MIKENTULINI

    6 жыл бұрын

    you on acid will get the most views

  • @ProPlayer-wq3nu

    @ProPlayer-wq3nu

    6 жыл бұрын

    The Action Lab Dead rat oh wait it's animal abuse even the rat is already dead I see, stay with the vacuum camber

  • @jurassichumour3803
    @jurassichumour38035 жыл бұрын

    Where do you purchase the vacuum chambers?

  • @buster1035
    @buster10354 жыл бұрын

    Does a scale zeroed out with nothing on it go negative in a vacuum ?

  • @vjbhrt
    @vjbhrt6 жыл бұрын

    Nice informatic video again. You could have also proved the density of air at your place by dividing that 25gm air with volume of your vacuum chamber. Suggession for naming us - Labsters !

  • @yaksher
    @yaksher6 жыл бұрын

    The buoyant force on the vacuum chamber depends purely on its volume. As long as it's denser than air, you are measuring the air lost without any minus for buoyant force.

  • @wanchufri
    @wanchufri3 жыл бұрын

    Hi Action Lab. Could you try to demonstrate that sound does not propagate in vacum space? It should be an objetct not in contact with the chamber walls, that vibrates or emits any kind of sound. Regards from Spain!!

  • @rachysnip
    @rachysnip6 жыл бұрын

    I agree with either Lab Rats or Actioneers, either are good!

  • @nathanschmitt2457
    @nathanschmitt24575 жыл бұрын

    When you edit a video and forget that you already said your statement earlier in the video, also forgetting to overlap it 8:10

  • @DANGJOS
    @DANGJOS6 жыл бұрын

    +The Action Lab There's something I've always wondered. The buoyant force is created by the difference in pressure at the top of the container vs the bottom. So this means that, if you have a box with a perfectly flat bottom, theoretically the buoyant force would actually be *down* rather than up! This is because there can be no air pressure underneath it as it lays flat on the ground. But that got me thinking. The bottom of the box isn't perfectly flat, so there must be some air trapped underneath. So there must be some limiting factor that says how much pressure a small amount of confined air can exert, and I wonder what that is. I don't know if you understand what I'm saying or not

  • @TheActionLab

    @TheActionLab

    6 жыл бұрын

    +DANG JOS Well that’s essentially what a suction cup is doing isn’t it? You are removing all of the air (or whatever it’s in, water if it’s in a liquid). And if there are absolutely no particles Andrea then it is a complete vacuum with no pressure so the buoyant force is down as you say because the pressure above it is pushing it down

  • @DANGJOS

    @DANGJOS

    6 жыл бұрын

    The Action Lab Yes true. Although I wonder how much the pressure will drop as air is confined to an extremely small volume. I plan to ask a professor this as well

  • @leakyabstraction
    @leakyabstraction Жыл бұрын

    I was afraid you're gonna cause a null reference exception, but it looks like fortunately we're safe

  • @T0xIcNigHtMarE
    @T0xIcNigHtMarE6 жыл бұрын

    You should do a video on why the balloon expanded more when you took out the air.

  • @phinok.m.628
    @phinok.m.6286 жыл бұрын

    Hmm, technically one could use that to measure the pressure inside without being inside. One would have to know what the ambient pressure is and the weight it had before, therefore is would only measure relative pressure (relative to the previous pressure), or the change in pressure. But still, that would be an interesting way of measuring (or rather determining, since you don't actually measure it) the pressure. Or of course if you know the weight and pressure it had before and that it has now, you could "measure" the volume of the container...

  • @Anarchia02
    @Anarchia026 жыл бұрын

    What is the first background track that you used?

  • @Robert19951213
    @Robert199512136 жыл бұрын

    😂😂😂 does he remind anyone else of butthead, from beavis and butthead 😂😂😂"uhuhuhu, thats cool uhuhu"

  • @alfakennywon

    @alfakennywon

    3 жыл бұрын

    LMAO yes every time I hear that laugh

  • @JustA.Person
    @JustA.Person6 жыл бұрын

    The actionlabers are the strongest army out there 😂😂😂

  • @shawnmunck7412
    @shawnmunck74123 жыл бұрын

    air inside is less dense but the gravitational force of the air on the outside is still pushing down on the vacumm chamber.

  • @octavia1206
    @octavia12066 жыл бұрын

    So what you said at the beginning about the balloon and helium being less dense so it floats, if you inflate a balloon in a vacuum chamber and tie it off would it float?

  • @Celler2
    @Celler22 жыл бұрын

    Would a water evaporate in the VC ? If place a vessel with some water with a heat source would the water leave the vessel via “steam” ?

  • @DANGJOS
    @DANGJOS6 жыл бұрын

    My guess is that the weight dropped fast initially due to the air rushing out of the container. It likely created an upward force. Because really, the drop in weight should have been linear with the remaining pressure, but there are many different variables.

  • @TheActionLab

    @TheActionLab

    6 жыл бұрын

    +DANG JOS Well it’s only linear for an ideal gas I believe, But it should’ve been close

  • @DANGJOS

    @DANGJOS

    6 жыл бұрын

    The Action Lab True, although air should only be non-ideal if it's extremely humid, I believe

  • @Jeru3
    @Jeru36 жыл бұрын

    When you know how these will turn out, but watch anyway since it's good to really hammer down these fundamental s.

  • @ralphnitollama4800
    @ralphnitollama48002 жыл бұрын

    Is vacuum bouyant? Assuming you could create a container for the vacuum that can withstand the air pressure would it float in air because it's lighter than air?

  • @rely7318
    @rely73185 жыл бұрын

    Good demonstration, this is the science that i look for. Why then the astronot floats in space??????????????? Busted.......

  • @SuperVstech
    @SuperVstech6 жыл бұрын

    balnoitca. Has a nice symmetry to it.

  • @Fredy5100
    @Fredy51006 жыл бұрын

    I like how you removed the water from the chamber... :) As for a name for us, the viewers: Action Fans.

  • @MrMaxitaple
    @MrMaxitaple6 жыл бұрын

    Nice

  • @kymcainday6677
    @kymcainday66776 жыл бұрын

    Call us The Vacuumizers... haha

  • @eriktheginger99
    @eriktheginger996 жыл бұрын

    Labrats😂

  • @patco258
    @patco2583 жыл бұрын

    I looked at title and said... “obviously no...” then said... “well... maybe”... then said... “I have no idea”... then clicked on the video. Hahahahaha.

  • @blindcomputerguy
    @blindcomputerguy6 жыл бұрын

    I liked it when the balloon popped in the vaccuum chamber.

  • @HighStakesDanny
    @HighStakesDanny6 жыл бұрын

    Actioneers. Can you do a video on the science of a burn? Or anything on fire?

  • @canofpulp
    @canofpulp6 жыл бұрын

    Could put a vacuum on areo gell wrapped in a film and make it float?

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