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San Diego State University Operations And Supply Chain Management Assignment Help - Force


Question - A 15,000-N crane pivots around a friction-free axle at its base and is supported by a cable making a
25° angle with the crane (Fig. 11.29). The crane is 16 m long and is not uniform, its center of gravity
being 7.0 m from the axle as measured along the crane. The cable is attached 3.0 m from the upper
end of the crane. W hen the crane is raised to 55° above the horizontal holding an 11,000, N pallet of
bricks by a 2.2-m vety light cord, find
(a) The tension in the cable, and
(b) The horizontal and vertical components of the force that the axle exerts on the crane. Start with a
free-body diagram of the crane.



Nov 22 2013 12:27 AM

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