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categoryهندسة ميكانيكية schoolبكالوريوس event_available2026-07-13

السؤال

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The change in diameter of a large steel bolt is carefully measured as the nut is tightened. Knowing that E=200 GPa and Poisson's ratio v = 0.29, determine the internal force in the bolt, if the diameter is observed to decrease by 13 μm. 60 mm HE

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