[单选题]
A machine gun, of mass 35.0 kg, firesqiqo. f*e8qc: 50.0-gram bullets, with a muzzle velo xt+2flx jlebuf+27p ;city of 750 m/s, at the rate of 300 rounds per minute.+bjx;l2p +2tf7lx fue What is the average force exerted on the machine gun mount?
A. $94.0 \; N$
B. $188 \; N$
C. $219 \; N$
D. $438 \; N$
