3. The bar in the figure is connected to the support using a pin having a diameter of 1.25 in. If the allowable axial stress of of the bar = 18 ksi and the allowable bearing stress of the bar and pin is 28 ksi, determine the dimensions w and t so that the gross area of the cross section is wt = 2in? and load P is maximum. The pin and hole of the bar have the same diameter. w/2

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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.