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W13V2, W14V1
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Lift definition
Component of aerodynamic force perpendicular to the relative wind.
Drag definition
Component of aerodynamic force parallel to the relative wind.
Streamlines
Direction of flow is tangent to streamlines.
Reducing- streamlines gap
Increasing velocity and reducing pressure.
Increasing streamlines gap
Reducing velocity and increasing pressure.
Pressure coefficient on upper surface of the aerofoil
Large and negative

Pressure coefficient on lower surface of the aerofoil
Small and positive

Where does lift come from?
Imbalance of pressure distributions over the top and bottom surfaces, as well as N2L (lift is a reaction force). (And circulation but that’s complicated.) Essentially it diverts air down.
Lift against Angle of Attack graph?

Lift and speed?
Lift α velocity2