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Drag which is produced due to lift is called?

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+1 vote
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in Aircraft Design by (701k points)
Drag which is produced due to lift is called?

(a) Induced drag

(b) Parasite drag

(c) Weight

(d) Thrust drag

This question was addressed to me at a job interview.

The doubt is from Aerodynamic Forces topic in chapter Aerodynamics of Aircraft Design

1 Answer

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Correct option is (a) Induced drag

Easy explanation: Drag which is produced due to lift is called lift induced or simply induced drag. Induced drag is generated due to downwash phenomena. This downwash induces an additional force component which is acting in the opposite direction of the aircraft forward motion. This induced force is called induced drag or lift induces drag.

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