Q2 At 20°C, there is a gap A=0.2 mm between the lower end of the bronze bar and the rigid slab supported by two steel bars, as shown in figure below. Neglecting the mass of the slab, determine the stress in each rod when the temperature of the assembly is increased to 100°C. For the bronze rod, A=600 mm², E-83 GPa, and a=18.9 μm/(m.°C). For each steel rod, A=400 mm², E-200 GPa, and a=11.7 μm/(m. °C). A First month/Strength of Materials 26-3-2023 Steel Bronze AIT Steel 800 mm

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Solid Mechanics

Engineering mechanics is a branch of science that deals with forces causing bulk motion in bodies and the effect that these forces cause on the bodies. Engineering mechanics does not deal with the internal changes that occur on account of these external forces. The internal effects in a body or a material under the action of external forces are studied in a new branch of science called solid mechanics, the strength of materials, or the mechanical behavior of engineering materials.