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Answer to Question #50149 in Mechanics | Relativity for tristan

Question #50149
Lift
Lift on an aeroplane wing results from:

1. locally reaching the speed of sound in the boundary layer of the upper face of the aerofoil

2. a pressure difference between the faces of the aerofoil

3. a local increase in density at the upper face of the aerofoil

4. creating micro-vortices on the upper face which decrease the viscosity of the fluid
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