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In an aircraft, the powerplant provides thrust. And this thrust, combined with the lift provided by the wing's design, air has to move more quickly over the top of the wing (AIRFOIL) than the air underneath the wing. Faster moving air has less pressure than slower moving air, Bernelle's Principal, so suction on the upper skin of the airfoil when it moves through the air (by thrust), creates lift.

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What did Wright brothers create?

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