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In a boom-idealised section, the shear flow between two adjacent booms is

  • A.Constant, stepping at each boom
  • B.Varying linearly between the booms
  • C.Zero everywhere
  • D.Greatest midway between the booms

Answer: A

Because the skin is assumed to carry no direct stress, there is nothing to change the flow between booms, so it is constant along each panel. Each boom carries direct load and produces a discrete step in the flow, which turns the integration into a running sum.

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