Bernoulli's principle and lift
Air moves faster over the top of an airplane wing than underneath it. According to Bernoulli's principle, the pressure above the wing is:
Answer D: explanation for every choice
A
Faster flow means lower pressure, not higher.
B
The speed difference creates a pressure difference.
C
Pressure decreases but remains well above zero.
D
Correct. Along a streamline, faster flow corresponds to lower pressure, so the pressure difference pushes the wing up.
TakeawayFaster flow, lower pressure.
See your set score →
Reviewed 2026-11-05 by a medical student. Spot an error? Report it with question ID cp16.