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← TechnologyWhich lift reduction occurs when wingtip vortices intensify?
A)Induced drag increases significantly✓
B)Parasite drag decreases constantly
C)Boundary layer becomes more laminar
D)Reynolds number transitions subsonically
💡 Explanation
Increasing wingtip vortices intensify spanwise pressure differences, creating stronger downwash. Because this downwash redirects airflow downward behind the wing, the induced drag increases significantly; therefore, lift lessens, rather than parasite drag reduction or laminar boundary creation.
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