As air molecules move over and under the wings of an airplane, the pressure
increases below the wings to create which of the following?
A. Lift
B. Gravity
C. Thrust
D. Weight
Explanation:The shape of an airfoil causes air to flow faster on top than on the bottom.A fast flowing air decreases the sounding air pressure, because the air pressure is greater below the airfoil than above, resulting to lift force.
