Discussion :: Physics
- Why does a cannon recoil after firing ?
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A.
Conservation of energy |
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B.
Backward thrust of gases produced |
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C.
Newton's third law of motion |
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D.
Newton's first law of motion |
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Answer : Option C
Explanation :
In technical terms, the recoil is a result of conservation of momentum, as according to Newton's third law the force required to accelerate something will evoke an equal but opposite reactional force, which means the forward momentum gained by the projectile and exhaust gases will be mathematically balanced.
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