2. The boom AB is held in equilibriuum by a ball-and socket joint at A and a pulley and cord system as shown. Determine the x, y, z components of reac tion at A and the tension in cable DEC if 4 ft 4 ft F–1500k lb. (Note that pulley at E is at the coordinates x-0,y-8 ft and z-1 ft.) 2 ft Ans T-918.5 lb 5 ft 5 ft 5 ft