Question

Why does a fielder in a cricket match, pulls his hands back while catching a fast moving ball?

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Answer 1

Answer:

While catching a fast moving cricket ball, a fielder in the ground gradually pulls his hand backward because by doing this, he increases the time in which the velocity of ball will become zero. Thus, the rate of change of momentum will be large and less force will be exerted by the ball on the hand of the fielder.

Explanation:

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Answer 2

Answer:-

According to Newton's second law, rate of change of momentum is directly proportional to the force applied. When a fielder catches a ball, the momentum of the ball becomes zero.

Now, rate of change of momentum = $\sf{\dfrac{∆p}{∆t}}$

To minimize the rate of change of momentum, ∆ t must increase, therefore by pulling his hands back, the fielder is increasing the time in which the momentum becomes zero, and thereby reducing the force exerted on his hands.

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