SACAA NPL Principles Of Flight Practice Questions - SACAA National Pilot Licence (NPL) Principles Of Flight & Technical Examination Exam

What is the primary physical phenomenon responsible for creating net lift on a cambered aerofoil in level flight?

Lower static pressure on the upper surface due to higher airflow velocity than on the lower surface. Higher static pressure on the upper surface pushing the wing upward into a vacuum. Equal pressure above and below the wing, with lift generated purely by engine thrust angle. Downward suction created by wingtip vortices pulling the airframe vertically.

Correct Answer:

Lower static pressure on the upper surface due to higher airflow velocity than on the lower surface.

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