Why is sliding friction greater than rolling friction?
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Rolling friction is the resistance to motion experienced by a body when it rolls upon another. It is much less than sliding friction for same pair of bodies. When one body rolls upon another, there is theoretically no sliding or slip between them. And if both are perfectly rigid, there is no surface of contact.
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Answer:
The force of friction which appears between two sliding surfaces which are in contact is called sliding friction.
Explanation:
Sliding friction is greater than rolling friction because in sliding,the surfaces in contact have large area than that an rolling a wheel.
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