Cable AB on the boom truck is hoisting the 2500-lb section of precast concrete (Figure P...

Cable AB on the boom truck is hoisting the 2500-lb section of precast concrete (Figure P4.18). A second cable is under tension P, and workers use it to pull and adjust the position of the concrete section as it is being raised.

(a) Draw a free body diagram of hook A, treating it as a particle.

(b) Determine P and the tension in cable AB.