A 290-kg chandelier is suspended from vertical steel cable, Ask an Expert

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A 290-kg chandelier is suspended from vertical steel cable. The cable is 7.9m long. Assume a safety factor of 9.0. The elastic modulus for steel is 2.0x10^11N/m2, and tensile strength for steel is 5.0 x10^8N/m2.

A. What is the minimum cross-sectional area required of the cable?

B. How much does the cable elongate?

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