The bar ABC in Fig. (a) consists of two cylindrical segments. The material of the bar has the stress-strain diagram shown in Fig. (b). Determine the approximate elongation of the bar caused by the 20-kN axial load
The barABCin Fig. (a) consists of two cylindrical segments. The material ofthe bar has the stress-strain diagram shown in Fig. (b). Determine the approximateelongation of the bar caused by the 20-kN axial load