Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.

(a) Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula. (b) A person of mass 50 kg climbs a tower of height 72 metres. Calculate the work done. ( g = 9.8 m s^(-2) )

Work is always done on a body when

Work is always done on a body when

(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?

What is the amount of work done by a force when the body moves in a circular path ?

Work done on the body by force or work done by the body ?

What is the amount of work done by the force, when the body moves in a circular path ?

The work done by a body is the product of force and

How is work done measured when, The force is inclined to the direction of motion of the body?

The work done by a body is the product of force and :