Question:medium

In mechanical shock absorbers, the friction action of metallic discs is utilized to control the spring action whereas in hydraulic shock absorber fluid it is used to ............... .

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Tip: Hydraulic shock absorber → fluid damping = smooth ride!
Updated On: Jan 14, 2026
  • cool the spring
  • lubricate the spring
  • provide spring action
  • damp the oscillations
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The Correct Option is D

Solution and Explanation

Shock absorbers manage excessive spring movement in vehicles. Mechanical shock absorbers employ friction discs to counteract spring oscillations. Hydraulic shock absorbers generate resistance by pushing fluid through narrow openings. This fluid process converts kinetic energy into heat, thereby reducing spring oscillations. This mechanism prevents prolonged bouncing, leading to a more comfortable ride. The fluid's primary role is damping; it does not provide cooling, lubrication, or spring action. Consequently, the correct term is damp the oscillations.
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