3 Main ways of explaining it
air pressure on the
By differences in wing
BE ing airafiniards causing a reactiveforce
Newton's3rdlawofmotion
air to produce a lift force
By turning a flow of
2ndlawofmotion
Newton's
Air movesfasterover the uppersurface compared to the lower surface
difteencea
YpÉfÉÑefp
However this is limited to
Flow along a streamline
Inviscid flow
Incompressableflow
steadyflow
NEWTONS 3ʳᵈ LAW
Presence
of the aerofoil causes the flow behind it to be bent downwards
so the fluid must impart an upward force on the aerofoil
NEWTONS 2ⁿᵈ LAW
A force is produced when a mass is accelerated
If either a magnitude or a direction is changed a force will result