Question

The gun recoils when a bullet is fired from it​

Answer 1

Answer:

When a gun recoils when a bullet is fired from it the gun exerts a force on the bullet. That force is the action force but the bullet also exerts an equal yet opposite force which is known as the reaction force. That is why a gun recoils when a bullet is fired

Explanation:

Newton's Third Law states that for every action force there is an equal in strength and opposite in direction reaction force

Hope this helps