Answer to Question #56954 in Mechanics | Relativity for Zineb

Question

In the figure above, a 20 kg boom of length 4.5 m is supported by a cable that has a beraking tension of 750 N. The cable is perpendicular to the boom and is attached 3.375 m from the pivot. Find:
a) the maximum load that can be suspended from the end of the boom;
b) The magnitude of the vertical force exerted by the pivot at maximum load?
c) The magnitude of the horizontal force exerted by the pivot at maximum load?

Here's the picture http://gauss.vaniercollege.qc.ca/webwork2_course_files/NYAangoni/tmp/gif/1110231-2152-setrotational_equilibrium-prob1--vphys/Graphics/ch-12-e31.gif
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