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What happens in the combustion chamber of a jet engine?

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In the cumbustion chamber of a jet propulsion engine the combustion of a fuel mixture generates expanding gases, which escape through an orifice to form the jet. Newton's third law of motion requires that the force that causes the high-speed motion of the jet of gas have a reaction force that is equal in magnitude and oppositely directed to push on the jet propulsion engine. Hence the term "reaction motor" is often applied to jet-propulsion engines.

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Similar questions: Which of Newton's laws of motion applies to combustion chambers? Why is the term "reaction motor"often applied to jet-propulsion engines? [ Hide these questions ]

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