Center of Mass

Question

An average force of … is applied on a machine gun firing bullets each of mass … at the speed of … to keep it in position. The number of bullets fired per second by the machine gun is :

Accepted Answer

Option B. To find the number of bullets fired per second, we can use the concept of momentum. When the machine gun fires bullets, it experiences a backward force due to the conservation of momentum. The force applied on the machine gun is used to balance this backward force.

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Center of Mass

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