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What is rolling friction ? Write laws of rolling friction. Define coefficient of rolling friction. |
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Answer» Solution :Whenbody isrollingwithoutslidingfrictionforceis calledrollingfrictionit is denoted by`f_(r )` Duringrollingthe surfacein contactgetmomentarilydeformeda littleand smallpart ofbodyremainin contactwith surface Asa resultthere is componentof the contactforceparallelto surfacewhichopposesmotion `mu_(F ) ltmu_(k)GT mu_(s)` |
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