Question id 371 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

An additional upward force is generated as the lower surface of the wing deflects air downward
For every action there is an equal and opposite reaction.
Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface.

Training tests and timed exam simulations FAA PPL(A) - Private Pilot Airplane