A rectangular piece of wood, 55 mm by 101 mm in cross-section is used as a compression block. The grain makes an angle of 20 degrees with the crosssection plane. Determine the maximum axial load (kN) that can be applied to the block if the allowable shearing parallel to the grain is 5 Mpa. What is the allowable compressive stress(Mpa) parallel to the grain if the failure on shearing and compression is to occur simultaneously?

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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.