The block brake, as shown in the figure, provides a braking torque of 376 N-m. The diameter of the brake drum is 258 mm. The coefficient of friction is 0.3. Find: a. The force (P), in Newtons, to be applied at the end of the lever for the clockwise rotation of the brake drum b. The force (P), in Newtons, to be applied at the end of the lever for the counter clockwise rotation of the brake drum; and c. The location of the pivot or fulcrum, in mm, to make the brake self-locking for the clockwise rotation of the brake drum.

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Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.