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Induced drag is generated by a component of lift for a finite wing.

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Induced drag is generated by a component of lift for a finite wing.

(a) True

(b) False

The question was asked by my college director while I was bunking the class.

This interesting question is from Downwash and Induced Drag topic in portion Flow over Airfoils over Finite Wing of Aerodynamics

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The correct answer is (a) True

Explanation: The local lift vector is not aligned perpendicular to the free-stream velocity vector for a wing. Lift is perpendicular to local relative wind. This causes a component of local lift in the direction of drag, called induced drag.

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