A body of mass m was slowly hauled up the hill as shown in fig by a force F which at each point was directed along a tangent to

Question

A body of mass m was slowly hauled up the hill as shown in fig by a force F which at each point was directed along a tangent to the trajectory Find the work performed by this force if the height of the hill i h the length of its base 1 and the coefficient of friction k M I

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