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(b) A suspension bridge cable is made up of 100 strands of steel wire each with a cross-section of 10 mm. If a tensile

(b) A suspension bridge cable is made up of 100 strands of steel wire each with a cross-section of 10 mm. If a tensile force on the cable of 300 kN results in the cross-sectional area of each strand reducing by 0.01 mm, and the and Poisson's ratio is 0.3, what is the axial strain in the cable under the same load? What is the elastic modulus of the cable?

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