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A block of mass m=2kg is moved slowly fr...

A block of mass `m=2kg` is moved slowly from bottom to top of the hill as shown with the tangential force `F`. If the coefficient of friction between block and hill is 0.5, then work done by the force will be:

A

Work done by net force for part AB is positive.

B

Work done by net force for part AC is zero.

C

Work done by net force for part AE is negative

D

Work done by net force for part CD is positive

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