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When an object is rolling (no slipping) on a slope there should be a frictional force which causes rotation. But when we use power insulation philosophy, we haven't considered about an energy loss against frictional force. So I have a doubt that when the object is rolling without slipping is there any connection between work done by force of friction and rotational kinematic energy?

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marked as duplicate by Gert, Aaron Stevens, Qmechanic Mar 25 at 4:46

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