The bell-crank mechanism shown below is supported by a single-shear pin connection at B and a roller support at C. A load P acts at an angle of θ=40° at joint A. The pin at B has a diameter of 0.375 in, and the bell crank has a thickness of 0.188 in. The ultimate shear strenght of the pin material is 28 ksi, and the ultimate bearing strenght of the crank material is 52 ksi. A minimum factor of safety of 3.0 with respect to shear and bearing is required. Assume that a = 9.0 in. and b =5.0 in. What is the maximum load P that may be applied at joint A of the bell crank?

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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.