= (1) A circular rod made of steel with a diameter of d = 10 mm and length 1 = 150 mm is shown in the Figure 3.1. The elastic modulus of steel is E 300 GPa and Poisson's ratio of v = 0.3. When subjected to the axial load P, the diameter of the rod decreases by 0.015 mm. Determ. (b) 1 (a) the length of the rod after loading. (c) Figure 3.1 the magnitude of load P. the shear modulus of the rod's material.

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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.