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Which suspension keeps the wheel at a constant camber relative to the body?

  • A.The swing axle, whose half shaft pivots at the differential and therefore keeps the wheel perpendicular to the road
  • B.The double wishbone
  • C.The semi-trailing arm, whose inclined axis produces a controlled change of camber as the suspension moves upward
  • D.The trailing arm

Answer: D

A pure trailing arm pivots about an axis across the vehicle, so the wheel remains parallel to the body and leans with it in roll. Semi-trailing arms incline the axis to introduce camber and toe change deliberately. Each choice has consequences for handling. The shared behaviour explains why these belong together and the differences explain why both exist. Naming what changes and what stays the same is the reliable route through questions of this shape. Checking the units of each quantity catches a wrong formula before the arithmetic begins.

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