Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.

A body moving along a circular path has

(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?

State Einstein's mass-energy relation, Give the meaning of each symbol which occurs in it.

For body moving along a curved path, the motion is

Can a body moving in a circular path be at equilibrium?

Can a body moving in a circular path be at equilibrium?

If a body moving in a circular path with uniform speed, then

A body is moving in a circular path with constant speed