Laws Of Motion Question 31

Question: A player caught a cricket ball of mass 150 gm moving at a rate of 20 m/s. If the catching process be completed in 0.1 s, then the force of the blow exerted by the ball on the hands of the player is [AFMC 1993; CBSE PMT 2001; BHU 2001]

Options:

A)0.3 N

B) 30 N

C) 300 N

D) 3000 N

Show Answer

Answer:

Correct Answer: B

Solution:

Force exerted by the ball on hands of the player $ =\frac{mdv}{dt}=\frac{0.15\times 20}{0.1}=30\ N $



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