Question

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Answer 1

Second law of motion " Rate of change of momentum of the body is directly proportional to the force acting on it." .Working of air bags to prevent the time of injury. Objects in our room remain as it is unless a force as on it act. If we shake a tree, the fruits at rest will fall down.

Example:Fielder in a cricket match pulls his hand backwards to reduce impact of impulse force.Working of air bags to prevent the time of injury. Example:Working Principle of Rocket.Recoil of a gun.

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