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Which effect does increasing the track have on cornering?

  • A.Lateral load transfer is increased, which improves the grip of the outer wheel during a hard cornering manoeuvre
  • B.There is no effect
  • C.The vehicle rolls more, since the greater track allows the body to move through a larger angle before it stops
  • D.Lateral load transfer is reduced

Answer: D

Load transfer during cornering is proportional to the centre of gravity height divided by the track, so a wider track reduces it and keeps the loads on the two tyres more nearly equal. Because tyre grip rises less than proportionally with load, equal loading generates more total cornering force. Roll angle is also reduced for a given roll stiffness. The shared properties explain why these belong to one family, and the differences explain why more than one exists.

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