The pin-connected structure, shown in Figure 1, consists of a rigid beam ABCD and two supporting bars. The details of each bar are given in the table below. If the load P = 150 kN, determine: - a) The tensile stress is each bar; b) The deflection of the rigid beam at A. Material Cross-sectional Area Modulus of Elasticity (E) (1) 2.9 m 0.8 m B P Figure 1: Pin-connected Structure BAR 1 Aluminium 2 400 mm² 70 GPa 1.5 m C 3.3 m BAR 2 Bronze 6 000 mm² 100 GPa 1.2 m D

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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.