Question

A machine gun is firing 25

bullets in 10 s, then what is force

needed to keep gun in its initial

position itself without recoiling.

,bullet is 50 g & in 100m/s​

Answer 1

Answer:

Correct option is (A) 240

Explanation:

Mass of bullet

m=0.05 Kg

v=1000m/s

F=200N

Force on the man is equal to the change in momentum of the bullets coming out of the gun

F=

t

mvn

200=

1

0.5×1000×n

n=4persecond

n=240perminute