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Q.

Ballistics is the science of mechanics that deals with:

 A.

Effects of projectiles

 B.

Study of rotation

 C.

Study of gravity

 D.

Effects of buoyancy

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Solution:
Option(A) is correct

Ballistics  is the science of mechanics that deals with the launching, flight, behavior, and effects of projectiles, especially bullets, gravity bombs, rockets, or the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance.

A ballistic body is a body with momentum which is free to move, subject to forces, such as the pressure of gases in a gun or a propulsive nozzle, by rifling in a barrel, by gravity, or by air drag.


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