QUESTION 7 The bar of length 2m has a 60 mm x 6Omm square cross-section with a central hole of 25 mm diameter. The bar is subjected to a tensile axial load of 100 kN which extends its length by 0.9 mm. The direct stress and direct strain are: 2 m O a. 32 MNM2, 0.9 mm Ob.28 MNm 2, 450 x 10-6 OC 32 MNm 2, 45 450 x 10-6 Od. 28 Nmm2, 0.9 mm

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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.