How much work is done by a force 50 N moving an object through a distance 10 m in the direction of force ?
(a) When do we say that work is done? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it.
(b) How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?