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Question

In Self energizing brakes 

सेल्फ एनर्जाइज़िंग ब्रेक में

A.

Friction force must oppose the braking effort

B.

Friction force must assist the braking effort

C.

Friction force should consume energy

D.

Friction force should produce energy

Answer ( Option B)

Friction force must assist the braking effort

Solution

  • When friction force and applied braking force produce moment in same direction to balance normal reaction.
  • Hence it must assist the braking efforts.

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