Question

A small block of mass m , slides down a smooth incline plane of height h and

moves some distance on rough horizontal surface before coming to rest. The

coefficient of friction between block and horizontal surface is  .The minimum

work to be done on the block to it move it back to original position along the

same path is:

1) mgh 2) 2mgh 3) 3mgh 4)(1 )   mgh​

Answer 1

Explanation:

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