Question

If a man lift a load up with the help of a rope such that it raises the load up of mass 50kg to a height of 20m in 100sec .Find the power of the man

Answer 1

Given,
Mass(force) =50kg=50000g
Displacement =20m
Time=100sec
So,
Power =force x Displacement /time
=50000 x 20/100
=10000watt