Question

As an airplane takes off, the air flows across the wings of the airplane. Which of the following would be the best description? I. The air flow across the top of the wing is greater than the air flows across the bottom of the wing. II. The air flow across the top and bottom of the wing is the same. III. The lift force is present because the pressure across the top is less than the pressure across the bottom of the wing.

Answer 1

III. The lift force is present because the pressure across the top is less than the pressure across the bottom of the wing.

Step-by-step explanation: