Why does a fielder catch a fast moving cricket ball by pulling back his arms while catching it?
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according to Newton's 2nd law, force is proportional to the rate of change of momentum. in other words force is change of momentum per unit time...
hence when time of contact is increased by the fielder when he pulls his hands back.. the force decreases
hence when time of contact is increased by the fielder when he pulls his hands back.. the force decreases
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According to Newton's second law of motion, the fielder has apply a small force on the ball.
The ball also exerts lesser force & the fielder does not hurt his farm.
If the ball is stopped suddenly, then the entire momentum of the ball will be reduced to zero in a very short time interval which will cause a larger rate of change of momentum.
As a result, the fielder will have to apply a larger force on the ball. Also, the ball will exert a larger force which might hurt the palm of the fielder.
_________ Thanks...✊
According to Newton's second law of motion, the fielder has apply a small force on the ball.
The ball also exerts lesser force & the fielder does not hurt his farm.
If the ball is stopped suddenly, then the entire momentum of the ball will be reduced to zero in a very short time interval which will cause a larger rate of change of momentum.
As a result, the fielder will have to apply a larger force on the ball. Also, the ball will exert a larger force which might hurt the palm of the fielder.
_________ Thanks...✊
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