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The rigid bar of negligible weight is supported as shown. The assembly is in- itially stress-free. Find the stress in each rod if the

The rigid bar of negligible weight is supported as shown. The assembly is in- itially stress-free. Find the stress in each rod if the temperature rises 20C after a load W = 120 kN is applied. Use the properties of the bars given in Prob. 2.84. Steel 1.5 m 1.0 m 2.5 m W Bronze 3 m -1.5 m -

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