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It is observed that the wire stretches 45 mm when a tensile

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Reference no: EM13636270

An 18-m-long steel wire of 5-mm diameter is to be used in the manufacture of a pre-stressed concrete beam. It is observed that the wire stretches 45 mm when a tensile force P is applied. Knowing that E= 200 GPa, determine (a) the magnitude of the force P, (b) the corresponding normal stress in the wire.

Reference no: EM13636270

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