1.4 Determine the total compression of a bar made up of three circular cross-sections as shown...

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1.4 Determine the total compression of a bar made up of three circular cross-sections as shown in Fig. 1.70, the diameters being 10 mm, 20 mm and 30 mm of the top, middle and the bottom portions respectively. Take E, = 210 GPa, E, = 105 GPa and E = 100 GPa. (0.15 mm) 50 kN STEEL- 30 mm BRASS 20 mm COPPER 40 mm Fig. 1.70 1.4 Determine the total compression of a bar made up of three circular cross-sections as shown in Fig. 1.70, the diameters being 10 mm, 20 mm and 30 mm of the top, middle and the bottom portions respectively. Take E, = 210 GPa, E, = 105 GPa and E = 100 GPa. (0.15 mm) 50 kN STEEL- 30 mm BRASS 20 mm COPPER 40 mm Fig. 1.70

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