if a body of weight 10newton is lifted from the floor to a table 2meters above the floor , calculate the potential energy gain
m g = 10 Newtons
m g h = 10 *2 = 20 Joules
or
work done lifting = 10 N * 2 meters = 20 Joules
m g h = 10 *2 = 20 Joules
or
work done lifting = 10 N * 2 meters = 20 Joules