CAA NZ CPL Theory - Principles Of Flight & Aircraft Performance Practice Questions - CAA NZ CPL Theory - Principles Of Flight & Aircraft Performance (New Zealand) Exam

What is the fundamental cause of induced drag on a finite aircraft wing?

Air viscosity causing skin friction along the wing surface boundary layer Pressure differential between upper and lower wing surfaces generating wingtip vortices and downwash Form drag created by structural wing thickness interrupting airflow Shock wave formation as local airflow accelerates toward Mach 1.0

Correct Answer:

Pressure differential between upper and lower wing surfaces generating wingtip vortices and downwash

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