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Question: a steel bar 25 mm in diameter when tested in...

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A steel bar, 25 mm in diameter, when tested in tension stretches 0.20 mm for a length of 250mm under a load of 80 kN. A bar of the same material 20.0 mm in diameter is bent to a circular arc. The maximum stress is 140 MPa. Find the radius of curvature and the bending moment applied

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