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6. (a) Calculate the stress you would cause by hanging from a steel cable with a cylindrical cross-section 1cm in diameter if you were

6. (a) Calculate the stress you would cause by hanging from a steel cable with a cylindrical cross-section 1cm in diameter if you were hanging from it. Give the stress in MPa. (It is OK to lie about your weight.) (b) If the wire is 2 m long, how much would it elongate? (c) If the tensile strength (UTS) of the cable is 1000 MPa, what is the diameter of the thinnest wire that can support you?

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