Question 4
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Ballistics is the science of mechanics that deals with:
- A Effects of projectiles Correct
- B Study of rotation
- C Study of gravity
- D Effects of buoyancy
Correct Answer: Option A
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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