Answer to Question #50116 in Mechanics | Relativity for tresh
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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