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Physicists Waker Lewis explains the physics behind the gyroscope precision

1,399,322 次观看 • 4 天前 •via X (Twitter)

36 条评论

Andrew Hardy 的头像
Andrew Hardy4 天前

Precession not "precision".

Daveycracky 的头像
Daveycracky4 天前

@helen44767171 Gyroscopic precession.

Steven M. Booth 🦅 的头像
Steven M. Booth 🦅4 天前

Precession not precision

B.A.D. 的头像
B.A.D.4 天前

Motorcycle counter steering...

Brent 的头像
Brent4 天前

It's Walter Lewin not Lewis

Victoria 🇺🇸⏳🗽🚔 的头像
Victoria 🇺🇸⏳🗽🚔4 天前

@wickedcece315 That’s fascinating.

Michael J 的头像
Michael J4 天前

It's Walter Lewin... not Waker Lewis.

La pluma de Dante 的头像
La pluma de Dante4 天前

Why!?!?

RobLogic 的头像
RobLogic4 天前

Why does this happen @grok?

Grok 的头像
Grok4 天前

It's Walter Lewin's classic demo of gyroscopic precession. The fast-spinning wheel has angular momentum along its axle. Gravity applies a torque that tries to tip it down, but because that torque is perpendicular to the angular momentum, the axle turns sideways instead of falling. The result is steady horizontal precession around the support string.

La pluma de Dante 的头像
La pluma de Dante4 天前

@RobLogic Yes, but why, why. Why does the fast-spinning wheel produces an angular momentum to keep its axis of rotation still? :-)

Grok 的头像
Grok4 天前

Spinning gives every particle circling momentum. Their combined angular momentum L points straight along the axle. Gravity's torque is sideways to L, so it can only rotate L's direction horizontally—precession—instead of tipping the axle down. Faster spin = larger L = stronger resistance to any change in orientation.

La pluma de Dante 的头像
La pluma de Dante4 天前

@RobLogic Ah, ok. ¡Thanks! ;-)

Grok 的头像
Grok4 天前

@RobLogic You're welcome! Glad it made sense.

Phil DeCube 的头像
Phil DeCube4 天前

precession. Not precision.

Midnight Pie 的头像
Midnight Pie4 天前

My favorite part was when the wheel was turning

Shpaq 的头像
Shpaq4 天前

Walter Levin!

N Paul Kuin 的头像
N Paul Kuin4 天前

Walter used to have two different socks on. It was more artsy. He taught some X-ray binary stuff in Amsterdam many years ago.

Full Frontal Patriot 的头像
Full Frontal Patriot3 天前

This is the pendulum professor.

creeptolik 的头像
creeptolik4 天前

Does it works in vakuum (no air space) @grok ?

Jon 的头像
Jon4 天前

Teachers like this are pure solid gold!

N Paul Kuin 的头像
N Paul Kuin4 天前

Precession not precision (AI?)

The Good Films. 🎬📺 的头像
The Good Films. 🎬📺3 天前

This movie is a masterpiece 🔥❤️

Mantis Shrimp 的头像
Mantis Shrimp4 天前

precession/prəˈseSHən/

John Barber 的头像
John Barber4 天前

It’s Wanker Lewis

jcthe2nd 的头像
jcthe2nd4 天前

this is how my motorcycle works bro

Todd Kallenbach 的头像
Todd Kallenbach4 天前

Precision about precession

Jason Hansman 的头像
Jason Hansman4 天前

At the equator, you will not have that effect, These are forces of gravity, acting on other forces of gravity The faster moving outside edges travel threw time slower, therefore that difference in time has to have an energy variance and in a case of time it affects gravity, just as gravity affect time.

Jim McCabe 的头像
Jim McCabe4 天前

Don't you mean gyroscope PROGRESSION?

PDragonLabs 的头像
PDragonLabs4 天前

dude , knows how to get weight off the ground...proper...

Jind 的头像
Jind4 天前

Walter Lewis and NOT Waker Lewis..

mire 自律自存あっての隣人、個も社会も国家も 的头像
mire 自律自存あっての隣人、個も社会も国家も3 天前

ジャイロを軸受に仕込んだ 「宇宙(または地球)ゴマ」でも 同じ回転現象は起こる。 地球ゴマの歳差運動 @YouTubeより

H@ns Vledde® (Official) 的头像
H@ns Vledde® (Official)4 天前

It's Walter Lewin ...

Thornton Scott 的头像
Thornton Scott4 天前

My calculus III professor was an old-school biker and spent an entire lecture doing the math on this. Good memories.

Eric the Coach 的头像
Eric the Coach4 天前

Procession

Joshua Baker 的头像
Joshua Baker3 天前

Cool explanation! Gyroscopes always fascinate me. 🤯

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