2. A circular steel bar with with a diameter of 3 in and length of 2 m is subjected to an tensile force of 80 KN. Determine the change in length and the change in its cross section if the material behaves elastically. Let y be the longitudinal axis and Modulus of Elasticity be 200 GPa. Assume y = 0.32

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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.