*5-64. The pole for a power line is subjected to the two cable forces of 60 lb, each force lying in a plane parallel to the x-y plane. If the tension in the guy wire AB is 80 lb, determine the x, y, z components of reaction at the fixed base of the pole, O. A 1 ft 45° 80 lb 60lb 60 lb 45 4 ft B 3ft- 10 ft Prob. 5-64