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2. Two metal bars, one steel and the other brass, are bonded at their ends to form a
compound bar that moves as one unit. Young's Modulii for the materials are: Esteel-
185 GN/m² and EBrass -83.6 GN/m². The cross-sectional area of steel bar is 2 times
that of brass bar, and the stress in brass bar is 1.36 MN/m²2 when the assembly is loaded
which a 557kN tensile force. Find the stress in steel bar, and the cross-sectional areas
of the two bars.
557 kN
23
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557kN

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