A boy throws a rubber ball vertically upwards. What kind of work is done by the force applied by the boy.
A boy of mass m climbs up the stairs of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
A boy throws a rubber ball vertically upwards. What kind of work is done by the gravitational force.
A boy throws a ball vertically upwards. The motion of the ball while it is moving upwards is