The frictional force effect on winds
A) is lessened in areas with rougher surfaces.
B) is negligible at altitudes above 500 m (~1,600 ft).
C) increases with increasing altitude.
D) is constant, regardless of time of day or year.

Question

Quizplus · Accepted Answer

Frictional force is significant near the Earth's surface but becomes negligible at higher altitudes, typically above 500 meters, where the influence of surface friction diminishes.

The Frictional Force Effect on Winds