Description of Lift On An Airfoil
There are several ways to explain how an airfoil generates lift. Some are more complicated or more mathematically rigorous than others; some have been shown to be incorrect. For example, there are explanations based directly on Newton’s laws of motion and explanations based on Bernoulli’s principle. Either can be used to explain lift. This article will start with the simplest explanation; more complicated and alternative explanations will follow.
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—Ludwig Wittgenstein (1889–1951)
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