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Explain the process of rocket propulsion in the light of netwon`s third law of motion

Explain the process of rocket propulsion in the light of netwon`s third law of motion

Grade:9

1 Answers

Vasanth SR
askIITians Faculty 1335 Points
6 years ago
536-528_newton3r.gif
Sir Isaac Newton first presented his threelaws of motionin the "Principia Mathematica Philosophiae Naturalis" in 1686. His third law states that for every action (force) in nature there is an equal and opposite reaction. In other words, if object A exerts a force on object B, then object B also exerts an equal and opposite force on object A. Notice that the forces are exerted on different objects.

In aerospace engineering, the principle of action and reaction is very important. Newton's third law explains the generation ofthrustby a rocket engine. In a rocket engine, hot exhaust gas is produced through thecombustionof a fuel with an oxidizer. The hot exhaust gas flows through the rocketnozzleand is accelerated to the rear of the rocket. In reaction, a thrusting force is produced on the engine mount. The thrust accelerates the rocket as described by Newton'ssecond lawof motion.

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