Problem

To lift a heavy crate, a man uses a block and tackle attached to the bottom of an I-beam a...

To lift a heavy crate, a man uses a block and tackle attached to the bottom of an I-beam at hook B. Knowing that the moments about the y and the z axes of the force exerted at B by portion AB of the rope are, respectively, 120 N∙m and –460 N∙m, determine the distance a.

Fig. P3.39

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Solutions For Problems in Chapter 3

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