The tensions in wires AB and CD are

Question

A rigid bar ACO as shown is hinged at O and is held in a horizontal position by two identical vertical steel wires AB and CD. A point load of 20 kN is hung at the position shown. The tensions in wires AB and CD are                              

       

         (a) 15.2 kN and 7.2 kN 

         (b) 11.8 kN and 7.1kN

         (c) 15.2 kN and 5.0 kN

         (d) 11.8 kN and 5.0 kN