Question

Ans. 10 N.
of the lift is broken, well!
16. A machine gun of mass 5 kg fires 30 bullets, each of mass 50 g, per minute at a speed of 400 ms
What force must be exerted to keep the machine gun in position?
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Answer 1

Explanation:

It is given in the problem that A machine gun has a mass of 5 kg.It fires 50 gram bullets at the rate of 30 bullets per minute at a speed of 400 m/s. Put t= 1 min= 60 s and . Therefore, the force required to keep the gun in position is 10 N.