A close coiled helical spring that is made of a material with a shear modulus of 150 GPa, has a wire diameter of 10 mm, a solid length of 100 mm, and a stiffness of the spring is 15 kN/m. Calculate: (i) The mean diameter of the coils , (ii) The shear stress induced in the spring wire for an axial deflection of 35 mm, and (iii) The work done extending the spring by 25 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.