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Assertion (A): The critical wing section for strength is usually near the root.

Reason (R): Both shear force and bending moment accumulate towards the root.

Select the correct answer from the options below.

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

Answer: A

Both statements are true and the second is the reason for the first. Inertia relief and greater structural depth both moderate the effect, but neither is enough to move the critical section outboard on a conventional wing.

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