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Difficulty: EasyBraking Systems and ABS

What is the main advantage of an anti-lock braking system (ABS) during heavy or emergency braking?

  1. It allows the driver to maintain steering control while brakingAnswer
  2. B
    It guarantees a shorter stopping distance on every road surface
  3. C
    It prevents wheel spin when accelerating on slippery surfaces
  4. D
    It eliminates the requirement to increase separation distances in wet weather

Answer

The main advantage is that it allows the driver to maintain steering control while braking.
The main benefit of an anti-lock braking system (ABS) is that it prevents the vehicle's wheels from locking under heavy braking. When wheels continue to rotate, the tyres maintain grip with the road surface, allowing the driver to steer the vehicle safely around obstacles while slowing down.

Step-by-Step Solution

1
Identify the primary mechanical function of an anti-lock braking system (ABS).
ABS prevents the road wheels from locking up under harsh or emergency braking by rapidly modulating brake pressure.
When wheels lock and slide, steering control is completely lost because sliding tyres cannot generate lateral steering forces.
2
Determine the principal driving benefit of preventing wheel lockup.
Because the wheels continue to rotate, the driver retains the ability to steer the vehicle around potential hazards while slowing down.
Steering control during emergency braking is the primary design purpose and safety benefit of ABS.

Key Concept

The primary function and safety benefit of an anti-lock braking system (ABS) is maintaining directional steering control under severe braking.
Estimated Time:45s
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Topics

Braking Systems and ABS

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