Problem

If a force of P = 200 N is applied to the handle of the bell crank, determine the maximum...

If a force of P = 200 N is applied to the handle of the bell crank, determine the maximum torque M that can be resisted so that the flywheel does not rotate clockwise. The coefficient of static friction between the brake band and the rim of the wheel is μs = 0.3.

Step-by-Step Solution

Solution 1

Given:-

Force,

Coefficient of static friction between brake bad and rim,

From figure (A):

Take moment about ‘B’:

From Figure (B):

Take moment about ‘O’:

Angle of contact,

We know that,

Here

From (1) & (3)

From (2)

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