Question

A body of mass 100kg is lifted up by 10m find
(a).the amount work done
(B).the potential energy of the body at the height​

Answer 1

Answer:

a) work done =0

b) P.E = 9800 J

Explanation:

a) work done parallel to the surface , so no net displacement

b) P.E = mgh=100×9.8×10=9800J