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The band brake of Fig.
is used to control the
rotation of a drum. The coefficient of friction between the
belt and the drum is 0.30 and the weight of the handle is
15 N. Determine the force P that must be applied to the end
of the handle to resist a maximum toraue of 75 N m if the
torque is applied Clockwise.
mm
60
80
80
240
mm
mm
mm
mm

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