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Question

Difficulty: EasySuspension Systems

When an automobile travels over an uneven road surface, which suspension component prevents the chassis from continuously bouncing by dissipating the energy stored in the springs?

  1. A
    Coil spring
  2. B
    Control arm
  3. Shock absorberAnswer
  4. D
    Stabilizer bar

Answer

Shock absorber
The correct answer is the shock absorber. While springs compress to absorb shocks from road irregularities, they naturally recoil and continue oscillating. The shock absorber dampens this movement by forcing hydraulic fluid through restricted passages, converting mechanical energy into heat and stabilizing the vehicle.

Step-by-Step Solution

1
Identify the primary suspension action required by the problem.
The target component must dampen oscillations and dissipate energy stored during spring compression.
Springs absorb impact through elastic deformation, but without damping, they will continue to oscillate.
2
Distinguish between energy storage and energy dissipation components.
The shock absorber (damper) specifically converts oscillation energy into heat via hydraulic fluid flow.
While springs carry the load, shock absorbers control the speed and rebound cycles of the spring movement.

Key Concept

Damping of spring oscillations by shock absorbers
Estimated Time:45s
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Topics

Suspension Systems

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