Laws Of Motion Question 378
Question: A machine gun fires 20 bullets per second into a target. Each bullet weighs 150 gms and has a speed of 800 m/sec. Find the force necessary to hold the gun in position [EAMCET 1994]
Options:
A) 800 N
B) 1000 N
C) 1200 N
D) 2400 N
Show Answer
Answer:
Correct Answer: D
Solution:
$ F=mnv=150\times {{10}^{-3}}\times 20\times 800=2400\ N. $
