Question

A man pulls a bucket full of water from h metre deep well. If the mass of the rope is m and mass of bucket full of water is M, then work done by the man is

$(1) \: ( \frac{M}{2} + m)gh \\ \\ (2) \: ( \frac{M + m}{2} )gh \\ \\ (3) \: (M + \frac{m}{2} )gh \\ \\ (4) \: (M + m)gh$

Answer with explanation please!!

Answer 1

this must be the and I think

Answer 2

Work done is equal to option (3).