Question

when a gun is fired, it recoils. why?​

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.

Answer 2

When a bullet is fired from the gun, a gun recoils because of the force exerted by the bullet on the gun. It is described below.

• In the case of firing a bullet from the gun, the bullet experiences the force exerted by the gun. This is the force of action.
• Now, according to Newton's third law of motion, "To every action, there is an equal and opposite reaction". Due to this, the bullet will also exert a force on the gun, which will be equal to the force exerted by the gun, but opposite in direction.
• Thus, because of the equal and opposite force that the bullet exerts on the gun, the gun recoils.

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