Solved: To lift a heavy crate, a man uses a block and tackle attached to thebottom of an
Chapter 3, Problem 3.51(choose chapter or problem)
To lift a heavy crate, a man uses a block and tackle attached to thebottom of an I-beam at hook B. Knowing that the moments about the yand the z axes of the force exerted at B by portion AB of the rope are,respectively, 120 N?m and 2460 N?m, determine the distance a.
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