A body A has a mass 5 kg. Now this is broken into two pieces. Is inertia of the two pieces combined more than the inertia of A when it was not broken:

Newton’s second law of motion is

When a force 1N acts on mass of 1kg, which is able to move freely, the object moves with a/an:

A body of mass M strikes against wall with a velocity’ v’ and rebounds with the same velocity.
Its change in momentum is:

A body of mass 5 kg undergoes a change in speed from 20 m/s to0.20 m/s. The momentum:

When a bullet is fired from a gun. The gun recoils to:

Work done upon a body is:

Choose correct relation:

Two bodies of mass 1 kg and 4 kg possess equal momentum. The ratio of their K.E.:

When you compress a spring you do work on it. The elastic potential energy of spring:

An object of mass 10 kg falls from height 10 m. Kinetic energy gained by the body will be approximately equal to:

A moving body need not have:

Chlorophyll in the plants convert the light energy into:

A weight lifter lifts 240 kg from the ground to a height of 2.5 m in 3 seconds his average power is: