Question

Crane operated by an electric motor has a mass of 500 kg. It raises a load of 300 kg vertically at a steady speed of 0.2 ms 1. The frictional force is constant and equal to 1200 N. Calculate what is the power required. (Take g = 10 ms 2)

Answer 1

$m \times g \times h$
D IS ACCELERATION DUE TO THE GRAVITY