Multiple choice

Rocket works on the principle of ___________.

  1. Conservation of energy

  2. Conservation of momentum

  3. Conservation of mass

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rockets operate based on Newton's third law of motion, which is a direct application of the law of conservation of momentum. Expelling gas at high speed in one direction creates an equal and opposite force that propels the rocket forward.

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