Three steel cables jointly support a load of12 kips (see figure). The diameter of the middle cableis 3/4 in. and the diameter of each outer cable is 1/2 in.The tensions in the cables are adjusted so that eachcable carries one-third of the load (i.e., 4 kips). Later,the load is increased by 9 kips to a total load of 21 kips.(a) What percent of the total load is now carried bythe middle cable?(b) What are the stresses σM and σO in the middleand outer cables, respectively? Note: See Table2-1 in Section 2.2 for properties of cables.

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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.