Which of the following is not true for friction?
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- In the case of rolling motion, there is no relative motion between the two contact surfaces. So there is no work done by the friction in a rolling motion. That's why the rolling friction is less than the sliding/kinetic friction. So statement D is not true.
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Answer:
In the case of rolling motion, there is no relative motion between the two contact surfaces. So there is no work done by the friction in a rolling motion. That's why the rolling friction is less than the sliding/kinetic friction. So statement D is not true.
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