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Aeroelastic effects matter to load calculation because

  • A.Flexibility changes the aircraft's weight
  • B.Flexibility eliminates gust loads
  • C.A flexible wing cannot stall
  • D.A flexible wing twists, shifting the lift

Answer: D

As a swept wing bends upward, the outer sections twist nose-down and shed load inboard, which reduces the root bending moment below the rigid estimate. Ignoring the effect gives an unnecessarily heavy structure, so flexible load distributions are computed routinely.

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