A cable used to lift heavy materials like steel I-beams must be strong enough to resist breaking even under a load of 1.0 x 10^6 N. For safety, the cable must support twice that load. a. What cross-sectional area should the cable have if it's to be made of steel? 

b. By how much will an 8.0-m length of this cable stretch when subject to the 1.0 x 10^6 N load?

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Given Data Load F 10 10 6 N Length l 80 m Tensile str... View the full answer