ELI5, If a large passenger jet was trying to take off on a free spinning treadmill, would it take off?
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Yes. Airplanes produce thrust which pushes against the air around the aircraft, specifically air that is accelerated by its engine fan blades or propeller, and in the case of turbine powered aircraft, against engine exhaust (accelerated burnt fuel and air).
The airplane’s wheels rotate freely to allow the airplane to move along the ground with as little resistance as possible.
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