A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to__

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exert larger force on the ball

reduce the force exerted by the ball on the hands

increase the rate of change of momentum

decrease the rate of change of momentum

answer is B.

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Detailed Solution

A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal to reduce the force exerted by the ball on the hands.
The power that works in the shortest period is called the fastest power. The goalkeeper pulls his hand backwards to allow some more time for the ball to stop. Thereby reducing the hitting power of the ball. This huge force due to speed, such as kicking a ball, can be catastrophic as the change in pressure is so great that the keeper holds his hand back to reduce the force in his hands.

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