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Commencing the stretching of the rod

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A bar of 12 mm diameter gets stretched by 3 mm under a steady load of 8 kN. What stress would be produced in the bar by a weight of 800 N, which falls through 80 mm before commencing the stretching of the rod, which is initially unstressed. TakeE= 200 kN/mm2.

Reference no: EM13886254

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