Correct answer
With greater total mass under the stated conditions.
With greater total mass including the load, under the stated conditions. At equal braking force, greater mass means lower deceleration and a longer distance from the same speed. This is not a universal mathematical rule for every real system: grip, tyres, load distribution and brake operation also matter. Observe maximum authorised mass and adapt driving to the load; weight is not the only factor. Reaction distance differs from braking distance.
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With greater total mass under the stated conditions.
Mass never affects deceleration regardless of braking force.
With lower total mass while braking force stays the same.
The real exam in English is a translation of the Spanish original; compare both here.
Show the Spanish original
En llano, compare el mismo vehículo a la misma velocidad con distinta carga. Si la fuerza de frenado disponible se mantiene igual, ¿cuándo necesitará más distancia para detenerse?
- Con menor masa total, manteniendo la misma fuerza de frenado.
- Con mayor masa total, en las condiciones descritas.(Correct answer)
- La masa nunca afecta a la desaceleración, sea cual sea la fuerza.
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