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Re: Misconceptions: Physics of Flight

William Beaty wrote, in part:

... As far as I can see, inertia is the answer. When air flows off of the
trailing edge of any wing, it keeps going in the same direction: angled
downwards. ...

Therefore, an explanation of a lifting force which begins with
a stationary helicopter is desirable, from the pedagogical point
of view. Then a helicopter moving horizontally and finally an
airplane with wings. Right or wrong?
Ludwik Kowalski