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Assertion (A): A flexible swept wing carries a lower root bending moment than a rigid analysis predicts.

Reason (R): Bending of a swept wing twists the outer sections nose-down and sheds load inboard.

Select the correct answer from the options below.

  • A.A is true but R is false
  • B.A is false but R is true
  • C.Both A and R are true, and R is the correct explanation of A
  • D.Both A and R are true, but R is not the correct explanation of A

Answer: C

Both statements are true and the second explains the first. The aeroelastic redistribution is worth having, and computing loads on a rigid wing would give an unnecessarily heavy structure, so flexible load distributions are used as a matter of course.

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