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Spinning on chair

by UrbanXrisis
Tags: chair, spinning
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Mar16-05, 07:08 PM
P: 1,200
Why is it that when I hold a spinning wheel on a rotating platform, when I turn the wheel upside down, the platform rotates?

Is it because the angular momentum changed dircetions? Hence applying a force to keep sability making the platform turn?

Is this the same idea is a top? How it is easier to keep a top on the tip when it's in motion rather than when it is stationary?
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Mar17-05, 01:39 AM
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This should help.

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