a man weighing 50 kg lifts a weight of 30 kg to the top building 10 m high find - Science - Work and Energy

Question

a man weighing 50 kg lifts a weight of 30 kg to the top building 10
m high find the work done by him (take g = 9 8ms-2)

Vara · Accepted Answer

Total mass:m = 50 + 30 = 80 kgHeight:h = 10 mWork done:W = Potential energy     = mgh     =80 × 9
8 × 10      =7840 J

a man weighing 50 kg lifts a weight of 30 kg to the top building 10 m high. find the work done by him. (take g = 9.8ms-2)