A body of mass 5 kg is moving with velocity 2 m s^-1. Calculate it's linear momentum.

The linear momentum of a ball of mass 50 g is 0.5 kg m s^-1. Find it's velocity.

A force of 10 N acts on a body of mass 5 kg. Find the acceleration produced.

Calculate the magnitude of force which when applied on a body of mass 0.5 kg produces an acceleration of 5 m s ^-2.