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Physics, 09.08.2019 22:30 jdjdjdjdjjffi7273

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, which is the distance from the y axis to the hook b.

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