Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumdrag
Form drag is caused by:
A
Skin friction only
B
Lift production
C
The pressure difference between the front and rear of a body due to flow separation
D
Compressibility effects
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See where you stand: 5 hard questions, instant score, every answer explained.