Laws Of Motion Question 286

Question: If n bullets each of mass m are fired with a velocity v per second from a machine gun, the force required to hold the gun in position is

Options:

A) $ ( n+1 )mv $

B) $ \frac{mv}{n^{2}} $

C) $ \frac{mv}{n} $

D) $ mnv $

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Answer:

Correct Answer: D

Solution:

[d] By Newton’s second law of motion $ F=n( mv )=nmv $



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