Answer to Question #280133 in Physics for abcdefu

Question #280133

A cord 10m long is hung between two posts 6m apart. What maximum load hung at the middle can the system support if the tensile strength of the cord is 350N?

Expert's answer

"2T\\cos\\alpha=mg\\to m=2T\\cos\\alpha\/g="

"=2\\cdot350\\cdot(4\/5)\/9.8=57\\ (kg)"

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