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 $
Show Answer
Answer:
Correct Answer: D
Solution:
[d] By Newton’s second law of motion $ F=n( mv )=nmv $
