A machine gun is mounted on a 2000 kg car on a horizontal frictionless – McqOptions

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1.	A machine gun is mounted on a 2000 kg car on a horizontal frictionless surface. At some instant the gun fires bullets of mass 10 gm with a velocity of 500 m/sec with respect to the car. The number of bullets fired per second is ten. The average thrust on the system is [CPMT 1971]
A.	550 N
B.	50 N
C.	250 N
D.	250 dyne
Answer» C. 250 N

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