Why does a point on a tire rim have acceleration at constant velocity?

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Dmt669
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Explain why a point on the rim of a tire has an acceleration when the tire is on a car that is moving at a constant linear velocity :cry: :smile: :mad: :rolleyes: :approve:
 
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This is pretty basic stuff. Do you have a question regarding circular motion?
 
Well, the points on the tire's rim are changing direction all the time, aren't they?

- Warren
 

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