Two cable tensions and a couple act on the rod OAB, Detemine the component of the equivalent couple at O about y. Given that Fl = 90 KN: F2= 135 KN and M= 157.5 KN.m 3 m -3 m 3m F1 4 m -2 m O A. My 0.00 KN.m O B. My = 90.00 KN.m OC. My- 23 20 KN.m OD. My 157.50 KN.m O E My 342.72 KNm