Refer fig.3 Pivot point O3, force at A vertically up and if µ.d ≥ b – McqOptions

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1.	Refer fig.3 Pivot point O3, force at A vertically up and if µ.d ≥ b then____.
A.	the brake is self-locking in clockwise direction
B.	the brake is self-locking in counter-clockwise direction
C.	the brake is self-locking in both the direction
D.	the brake is not self-locking in any direction
Answer» C. the brake is self-locking in both the direction

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