Question

When is a bullet is fired from a gun, the gun gives a kick in the back ward direction. Explain.​

Answer 1

Answer:

When a bullet is fired from a gun, the gun exerts a force on the bullet in the forward direction. This is force is called as the action force. The bullet also exerts an equal and opposite force on the gun in the backward direction. Therefore a gun recoils when a bullet is fired from it.

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Answer 2

This is an example for Newton's Third Law of motion. So when a bullet is fired from the gun , the bullet moves in a forward direction with a force and so the gun gives the force in the backward direction of the gun. The gun here exerts equal and opposite directional force which recoils the gun when the bullet is fired. This takes place in the momentum law. According to law of conservation of momentum , Total momentum of system remains conserved in the absence of external force. So, The total momentum of the gun and the bullet remains zero.

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Now Let's now about Newton's Laws of motion :

★ First law : Newton's First law states that an object will never change its motion unless and until an force acts on it.

★ Second law : Newton's second law states that The force of an object is equal to the product of its mass and acceleration due to gravity.

★ Third law : Newton's third law states that when two bodies interact with each other , they provide an equal and opposite forces of same magnitude but with opposite direction.