A 350-lb utility pole is used to support at C the end of an electric wire. The

Question:

A 350-lb utility pole is used to support at C the end of an electric wire. The tension in the wire is 120 lb, and the wire forms an angle of 15° with the horizontal at C. Determine the largest and smallest allowable tensions in the guy cable BD if the magnitude of the couple at A may not exceed 200 lb ⋅ ft.

15 14A A.