The crazy way a slinky falls in slow motion  

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This is not just true of slinkies - if you release a steel rod from the top, the top really starts falling before the bottom. If you hit a tennis ball with a racket, a wave has to travel from the strings to your hand before you feel it - and the ball is well on its way to the net by this time. If you hit a golf ball, the ball is well on its way to the hole before you can feel it. Rigid bodies aren't truly rigid and understanding this is essential to understanding the way the world works



19 Jul 2021



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Veritasium Vor 5 Tage
This is an excerpt from a video I made 10 years ago - seemed like the perfect thing to show in vertical format. I was unaware Action Labs had recently made a video about the same thing. A regular video should be out Friday/Saturday this week.
Mountain Dew Gaming
Drop it side ways
Shekhar Kumar
Shekhar Kumar Vor 16 Stunden
I know, I know
not a "hack" a cheat. its ok to be there. its ok to be niether here nor there. its ok to be anywhere but the inside of the horizontal axis of the slinky when there are perturbations in the gravity of the bottom. its always now.
Jim Cronan
Jim Cronan Vor 2 Tage
@John Jacob Astor here's something else that should be tried, what if both ends of the slinkies were attached to bearings ? Asto unload the twisting moment on the slinky then what would happen when released?
Dr. Breadstick
Dr. Breadstick Vor 19 Minuten
Now what if you have a portal gun and a steel rod. You shoot one portal at the ceiling and the other one at the floor beneath it. Now place the rod in between the portals. Will the rod fall down? If yes, what would happen if you weld the top of the rod to the bottom? Will it then fall down? And what would happen to a slinky if attached to itself the same way as the rod?
Sarcastican Vor Stunde
Two Questions: - How far can we take it? - Could there be a practical use or theory?
Mcdonalds King
Mcdonalds King Vor Stunde
This is a literally bug. Developers better be fixing this next patch its been in for too long.
Evan Beining
Evan Beining Vor 2 Stunden
I know from experience that this is untrue I have done this several times it never works how this guy explains it just doesn’t
heclanet Vor 6 Stunden
Well, that's a wormhole, when you go into the beginning, it collapses but the end doesn't collapse until you get to Well, that's a wormhole, when you go into the beginning, it collapses but the end doesn't collapse until you get to it! 😬
mikea hiooi
mikea hiooi Vor 3 Stunden
In zero gravity, what would be the slinky do? Would the slinky retract towards the centre of the slinky??
Dylan Lafreniere
Dylan Lafreniere Vor 8 Stunden
I really just want to see a slinky in zero gravity.
R Vor 11 Stunden
sketch088 Vor 13 Stunden
Two types of people in this world. The ones who have no idea how this works and the ones that pretend to know how it works.
BLITZ Vor 15 Stunden
cslloyd1 Vor 16 Stunden
Does the top fall faster than gravity alone would cause?
fahad bin abdul majeed
fahad bin abdul majeed Vor 17 Stunden
In zero gravity, what would be the slinky do? Would the slinky retract towards the centre of the slinky??
Sergio Solórzano
Sergio Solórzano Vor 18 Stunden
could this be used to drop people from helicopters i wonder 🤔
sokin jon
sokin jon Vor 21 Stunde
This is basically how every object looks like close to the speed of light.
Dang llama
Dang llama Vor 22 Stunden
kumar Vor 22 Stunden
Nice experiment man 👍
sokin jon
sokin jon Vor 21 Stunde
Very cool.
ت cabrón ت
ت cabrón ت Vor 23 Stunden
Newton was here
Gren tree m
Gren tree m Vor Tag
Slinky has creative mode for a while
sasa bone
sasa bone Vor Tag
"Action Lab" YT channel: I made a slow mo slinky shorts "Veritasium": Thanks bro
J FO Vor Tag
Will this work with a chain?
Spynorbays Vor 19 Stunden
Photon Vor Tag
Way to bring back old content but still relative in the laws of physics lol
Goat Milk
Goat Milk Vor Tag
Death By Unicorn
I feel like there's a really useful application for this.
N3WDAWN2010 Vor Tag
Don't understand why it's interesting everything impacts as a whole
Corex Vor Tag
If a game had ever decided to implement realistic slinky falls I would've called it unrealistic up until now
Ornery Hermit
Very cool.
Sidekix9o Vor Tag
You are too late I saw that already on the other Science channel
Derkach Vor Tag
I'd say it's because of contracting force is adding to the gravitational force, making the center of mass fall faster than normal fall. Because of this, the bottom part remains in position, as it counters the shift of center of mass. Similar to why you can't move forward by shifting the center of mass in space.
The PineApple
So if I had a heave duty slinky hanging like that, and a person hanging on to the bottom the of the slinky, they would just float there tension was released above?
Hal Weilbrenner
That's really strange
henry chandler
Now explain why building 7 collapsed
katkat14kk Vor Tag
Did you notice how that Slinky also look like the vibrations in a magnetic field like the one that wraps around Earth.
hoiy vinosa
hoiy vinosa Vor Tag
I remember doing this as a kid. We called it "magic" back then lol.
Matthew Heinlein
Cool, but I'm not sure your explanation is spot on... I don't think we should to think of it as a each coil falling onto the next one; rather, it's that once a coil no longer has the upward tension force acting on it (meaning that the coils above it are no longer stretched), then the only force left is gravity. Maybe just semantics though...
hoiy vinosa
hoiy vinosa Vor Tag
Isaac Wurtele
If you had like a really big slinky could you run or jump off it while it’s falling
Igor Kramer
Igor Kramer Vor Tag
Интересный факт
moimoi moi
moimoi moi Vor Tag
now please attach a ball to the top and the bottom so we can finally test Galileo's thought experiment :)
TheAbashta Vor Tag
I would like more short videos like this. New material would be nice too, but im ok with it being clips from old videos. Youve had some real gems over the years, and reminders dont hurt.
Junaid Khan
Junaid Khan Vor Tag
Why doesn’t gravity pull the bottom?
Spynorbays Vor 18 Stunden
It does, but at the same time the upper part of the slinky pulls the bottom part upwards at the same rate. Forces get zeroed out and bottom of the slinky stays stationary relative to the ground.
XtreeM FaiL
XtreeM FaiL Vor Tag
It does.
Jakob Vor Tag
The matrix is broken
Rednassie Vor Tag
How about cutting the slinky midway when falling? The last part will never be pushed B)
Samaila Abdullahi
I am forever grateful to Dr IGUDIA on DEbins who cured me from herpes with his herbal medication, you are so real and trusted.
Mitul Bhale
Mitul Bhale Vor Tag
This is why youtube was created
Pranav Joshi
Pranav Joshi Vor Tag
Why does the bottom rotate though ? Is it that the force due to tension creates a torque on the part which is not falling ..so then the part that is falling must acquire opposite angular momentum . And we can see that as the upper part is rotating opposite to lower part in the video .
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