Q. 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
A) $800\ N$
B) $1000\ N$
C) $1200\ N$
D) $2400\ N$
Explanation
(d) $F = mnv = 150 \times 10^{- 3} \times 20 \times 800 = 2400\ N$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.