Discussion
Assertion (A): High mounted swept wings often carry anhedral.
Reason (R): Sweep and a high wing position both add strongly to the dihedral effect.
Select the correct answer from the options below.
Answer: C
Correct answer: Both A and R are true, and R is the correct explanation of A
Both are true and the second explains the first. Sweep contributes a dihedral effect that grows with lift coefficient, and a high wing adds a further contribution through fuselage interference in sideslip.
Together they can give more effective dihedral than is wanted, and the symptom is a poorly damped Dutch roll. Anhedral subtracts from the total and restores the balance. The C-17 and the An-124 show the reasoning plainly - high, swept wings drooped noticeably at the tips.
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