A machine gun has a mass of `20kg` It fires `30g` bullets at the rate of 400 bullets/s with
Channel: Doubtnut
Date: 2020-08-02

A machine gun has a mass of `20kg` It fires `30g` bullets at the rate of 400 bullets/s with a sped of `400m//s` What force must be applied on the gun to keep it in position ?