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On which laws is the principle of rocket propulsion based?

Option: 1

Newton's first law of motion

Option: 2

Newton's law of Gravitation

Option: 3

Newton's third law of motion

Option: 4

Law of Thermodynamics

Answers (1)


The function of the propulsion system is to produce thrust. Thrust is the force that moves a rocket through the air and through space. The engine of the rocket releases hot burning fuel in a downward direction and the gases apply equal and opposite force and push the rocket in the upward direction

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