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Which term describes the tendency of a vehicle to require more lock as cornering increases?

  • A.Neutral steer
  • B.Bump steer, in which the toe changes as the suspension moves and therefore alters the direction of travel
  • C.Understeer
  • D.Oversteer, in which the rear tyres reach their limit first and the vehicle turns more sharply than was intended

Answer: C

Understeer means the front tyres develop the larger slip angle, so the driver must add lock to hold the line. Manufacturers build it in deliberately because the natural response of lifting off corrects it. Oversteer requires a trained correction. Working the distinction through on a single concrete case fixes it more firmly than any rule of thumb. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision.

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