Question

A cricketer lowers his hand while catching a fast moving ball.why?​

Answer 1

Answer:

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By doing so, the cricketer increases the time in which ball is caughtl. As times increases, the rate of change of momentum decreases, and the force acting on the hands is reduced.

Answer 2

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A fast moving cricket ball has a large momentum. In stopping or catching this ball, its momentum has reduced to be zero. Now, when a cricket player moves back his hands on catching the fast ball, then the time taken to reduce the momentum of ball to zero is increased. Due to more time taken to stop the ball, the rate of change of momentum of ball is decreased and hence a small force is exerted on the hands of player. So, the hands of player do not get hurt.

$\green{ hope \: it \: helps}$