PhysicsA man weight 60 kg climbs up a stair case with a 20 kg load on his head. The stair case has 20 steps and each step has a height 20 cm. The increase in potential energy of the man is (g=10ms−2)
A man weight 60 kg climbs up a stair case with a 20 kg load on his head. The stair case has 20 steps and each step has a height 20 cm. The increase in potential energy of the man is