1.

A machine gun of 20 kgfires 30g bullets at the rate of 400 bullets per sec with a speed 400m/s. What force must be applied to keep the gun to keep it in position

Answer» FORCE required to keep the gun in place = Fmass of gun (M) = 20kgmass of each BULLET (m) = 30g = 0.03kgspeed of each bullet (v)= 400 m/snumber of bullets(n) = 400 bullets per secondF = n × mv = 400 × 0.03×400 = 4800N4800N force should be APPLIED to keep the gun in POSITION


Discussion

No Comment Found

Related InterviewSolutions