To lift a heavy crate, a man uses a block and tackle attached to the bottom of

Question:

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 200-lb force to end A of the rope and that the moment of that force about the y axis is 175 lb ⋅ ft, determine the distance a.

To lift a heavy crate, a man uses a block to the bottom of