Explain self- energizing and self-locking effect in block break.

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written 7.9 years ago by

teamques10 ★ 65k

modified 2.3 years ago by

pedsangini276 • 4.8k

Mumbai University > MECH > Sem 5 > Theory Of Machines 2

Marks: 5 M

Year: May 2015

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written 7.9 years ago by

teamques10 ★ 65k

Rn = PL/(X-μa)

Rn = Normal reaction

P = Applied force

L = lever length

X = Distance of block from hinge

μ= coefficient of friction

a = distance of drum from hinge

Self energizing effect:

It occurs when frictional force adds to the breaking torque. In other words, the …

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