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CWatters

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What would happen if the front and back of a car had different velocity?

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But this gets that angular velocity of AB=angular velocity of BC

How does this get that angular velocity of A,B,C are equal?

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SteamKing

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Hint: look up the definition of 'rigid'.

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CWatters

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Angular velocity of A = Angular velocity of AB = Angular velocity of CB = Angular velocity of C

It's why I asked the question above. If two points on a body have different velocity (angular or linear) then those points must get closer together or further apart which would imply it's not a rigid body.

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