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How Does a Rocket Engine Work?


moritz.zoechling

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Hey guys!

Over spring break we drove to Disneyworld in Florida. The car ride was unbelievable long so we decided to stop at a few places. One of the stops was the Kennedy Space Center in Cape Canaveral. For the first time in my life I saw a real rocket last week, which has been a dream of mine since I was little. One of the things I always wondered was how rocket engines work and what makes them so unbelievable strong..? Like most engines, rockets burn fuel. Most rocket engines turn the fuel into hot gas. The engine pushes the gas out its back. The gas makes the rocket move forward. Rockets work by a law that we have all learned a couple months ago; Newton's third law of. If you remember it, it says if Object 1 exerts a force on Object 2, then Object 2 must exert a force back on Object 1. Moreover, the force of Object 1 on Object 2 is equal in magnitude, or size, but opposite in direction to the force of Object 2 on Object 1. In other words, for every action, there is an equal and opposite reaction. The rocket pushes on its exhaust. The exhaust pushes the rocket, too. The rocket pushes the exhaust backward. The exhaust makes the rocket move forward. Actually quite a simple concept.

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