Earth attracts every body close to it towards its

A body whose momentum is constant must have constant

The physical quantity, which is the measure of inertia, is ________.

If the gravitational force acting on a body is nullified by another force ,the resultant  force becomes

When a car or bus starts suddenly, the passengers fall backward .This is due to

A person swimming in a fresh water pool obeys

________of a body is defined as the product of its mass (m) and its velocity (v).

Gravitational force, F is equal to

Applying a force on the body with physical contact and  this force is called

Newton’s third law leads to the principle of conservation of