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 man applies a 195-N force to end A of the rope and that the moment of that force about the y axis is 132 N • m, determine the distance a.

Fig. P3.50