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A six-component external balance resolves the aerodynamic load into

  • A.Six independent forces
  • B.Three forces and three moments
  • C.Three forces only
  • D.Lift and drag only

Answer: B

The full load on a body has three force components and three moment components, and a six-component balance separates all of them. Keeping the channels from contaminating one another, so that a large lift does not corrupt a small yawing moment, is the central design problem.

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