Linked Questions

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0answers
42 views

Gyroscopic precession force translated 90 degrees? [duplicate]

I was watching a video on propeller gyroscopic effect, please take a look at this 1 minute segment (up to 6:06): https://youtu.be/QGWbjGqmoWo?t=307 Alternatively, here is a summarizing image from ...
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9answers
22k views

How do you explain spinning tops to a nine year old?

Why don't spinning tops fall over? (The young scientist version) My nine year old son asked me this very question when playing with his "Battle Strikers" set. Having studied Physics myself, I am very ...
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2answers
11k views

What causes precession or nutation in a spinning object?

What causes precession in a spinning object? What causes nutation in a spinning object? What causes a top, gyroscope, and the earth to wobble? Just because it's a simple question, I'm not expecting ...
9
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1answer
816 views

What's the deal with the gyroscope?

In this article ("The problem with physics", Tony Rothman, ABC science) the author says in the 5$^\textrm{th}$ paragraph: For example, one needs only first-semester equations to describe reasonably ...
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1answer
538 views

Gyroscope precession

I have a system diagrammed and explained in the image below. Experimentally I believe the wheel will rotate around the pivot point where the cable is attached in a counter-clock motion if observed ...
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1answer
830 views

Gyroscopic precession - Angular momentum in vertical direction

In the classic example of gyroscopic precession, the wheel starts to process, and now acquires a angular moment also in the vertical direction. Initial angular momentum was in a single plane. The one ...
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2answers
1k views

How is a perpendicular angular momentum origin in gyroscopic precession?

Assume in the given diagram, $\theta = 0$, for sake of simplicity Then, I understand there exists an initial angular momentum in the y-direction and a torque in the X direction of the gyroscope. This ...
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3answers
367 views

Is it possible to understand the Gyroscope Effect Intuitively?

A stationary wheel, with its axis tied only at one end, falls down, but a rotating wheel, with its axis tied only at one end, doesn't fall down. The explanation given everywhere is by the ...
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1answer
639 views

Which force acts as centripetal force on gyroscope?

I think I have understood gyroscope in terms of angular momentum and how the torque of gravitational force moves it the way it does. Also I understand the direction in which it would move: What ...
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2answers
252 views

Can/Does angular momentum apply a torque?

Context I'm a psychologist and I'm interested in perception of gyroscopic forces. For that reason, I'm having to think about many of the classic issues relating to gyroscopes in reverse. That is, ...
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1answer
300 views

Balance of a rolling coin

If we place a typical coin on a table, it will almost immediately fall due to gravity. However, with a little push it will roll and not fall anymore until friction eventually slows it down enough to ...
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2answers
426 views

Why does the gyroscope not move upwards?

I have been watching a lot of videos on gyroscopes. Everything I see says there are two steps in gyro precession: Gravity pulls down imparting a torque The gyroscope moves forward It seems to me ...
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0answers
421 views

Dose the gravitational force produces precession in the spinning top?

I'm new at classical mechanics but the text book says there is the torque in the spinning top which generated only by gravitation. It is hard to explain the situation, I've add the link. http://...
4
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2answers
151 views

Which way does a symmetric top precess and why?

I'm calculating the (instantaneous) rate of precession of a symmetric top (i.e. $I_1=I_2\neq I_3$) that is tilted at angle $\theta$ to the vertical if a torque $\vec{G}$ is applied, as shown below: ...
3
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0answers
391 views

Start of gyroscopic precession

Let's consider the classical example, the wheel hung by one side of the axle: ¹ When the wheel is not spinning, it will tilt down the free end of the axle first. When the wheel is spinning, it will ...
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1answer
383 views

How does a gyroscope flip?

Consider a gyroscope which is hanging with a string. Is it possible to $flip$ the orientation of the a gyroscope by oscillating the point of suspension? How does it come out mathematically?
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2answers
87 views

Angular momentum and Gyroscopic precession of a top [closed]

When a top is spinning in the counterclockwise direction as seen from above.Suppose its axis of rotation making an angle of 15º with the vertical.I am trying to find the angular momentum of this top ...
3
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1answer
91 views

Confusion about what happens when the rotating axis of a gyroscope is rotated

In A.P. French's Newtonian Mechanics, pages $684$ and $685$ , the author said the following about gyroscopes, If a gyroscope, mounted in its gimbal rings, is set spinning about a horizontal axis, ...
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1answer
117 views

Why does an increase in height decrease the spin time of a spinning top?

We know that an increase in height of a spinning top decreases the time it spins for without toppling. Why does this happen? I suspect that this is connected to the fact that an increase in height of ...
3
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1answer
116 views

Anti-gravity wheel?

So I was just watching some YouTube videos on a spinning wheel that seemed to "defy" gravity. The creator made two videos on it, the first showing the wheel, and the second with an attempt ...
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1answer
74 views

What is the rate at which a precessing top falls over?

From the following equation from hyperphysics, as rotational speed $\omega$ decreases, precession speed $\omega_p$ increases. However, from what we observe physically, as rotational speed of the top ...
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2answers
68 views

Angular velocity, Angular Momentum and Torque considered vectors to explain gyroscope precession and related phenomena? [closed]

Are angular velocity, angular momentum and torque "real" vectors in the sense that acceleration and force are? Or are they only considered vectors to explain phenomena like gyroscope ...
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2answers
85 views

Impulse on a Gyroscope

I've been studying gyroscopes, and I understand why a fast spinning gyroscope doesn't fall. However, I don't understand why a slow spinning gyroscope does fall, or why a large enough impulse to a fast ...
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1answer
38 views

Can you explain gyroscopic precession using only Newton's three linear laws without applying their angular cousins?

Is there an intuitive approach to understand gyroscopic motion based on Newton's laws without passing through angular momentum conservation?
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1answer
81 views

Gyroscope physics

I'm not a physics student, but am attempting to better understand gyroscope physics. Also my first post here. So, I'm looking at this site, at the second diagram with F_1 and F_2, and reading the ...
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1answer
81 views

How much force is required to break precession

Gravity, in this diagram, provides a downward force creating a torque that causes the wheel to precess around the chain. This is cool but counter intuitive, and I am wondering what force is needed to ...
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1answer
61 views

What happens when you try to turn a gyroscope with high torque?

I apologize for my lack of basic understanding of gyro-physics, I tried looking up internet, but couldn't find any answer for this particular question. I have been told that if I apply torque to the ...
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1answer
77 views

Basic Understanding Of Angular Momentum

I am trying to understand angular momentum in the same visceral way that I understand linear momentum, e.g., if someone rolls a bowling ball towards me then it is “natural” to me that I must apply a ...
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2answers
123 views

Feynman Lectures: 20–3 The gyroscope

In the The Feynman Lectures on Physics, Volume I, Chapter 20, Section 3,The Gyroscope found here, Feynman wrote We note that when the wheel is precessing, the particles that are going around the ...
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1answer
73 views

When is a gyroscope too slow for for a gyroscope?

I'm making a toy, partly to use a couple of ferrite ring magnets that I've liberated from a magnetron, and partly to see whether I'm capable of stabilising the control loops that will be required. ...

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