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Unformatted text preview: r transporting workers and supplies on a construction site is hoisted by a crane (see figure). The floor of the cage is rectangular with dimensions 6 ft by 8 ft. Each of the four lifting cables is attached to a corner of the cage and is 13 ft long. The weight of the cage and its contents is limited by regulations to 9600 lb. Determine the required cross-sectional area AC of a cable if the breaking stress of a cable is 91 ksi and a factor of safety of 3.5 with respect to failure is desired....
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- Spring '08