ESENRU

Topic: Driving safely in difficult conditions · Nº 95 / 247

Question picture

La lluvia, ¿afecta al agarre de las ruedas del vehículo a la calzada?

Does rain affect the grip of the vehicle's wheels on the carriageway?

  • ANo, el agarre es el mismo que cuando la calzada está seca.No, grip is the same as when the carriageway is dry.
  • BSí, se agarran más a la calzada.Yes, they grip the road more.
  • CSí, se agarran menos.Yes, they grip the road less.
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Correct answer

  • CSí, se agarran menos.Yes, they grip the road less.
Explanation

Water forms a film between the tyre and the road surface that reduces friction: the wheels grip less and the braking distance increases, and there is even a risk of aquaplaning.

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