How do you solve this

Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. The uniform 17-kg rod AB is supported by a ball-and-socket joint at A and by the cord CG that is attached to the midpoint G of the rod as shown in the figure. The rod leans against a frictionless vertical wall at B. 150 mm 150 mm C B 400 mm O G 600 mm A Determine the tension in the cord. (You must provide an answer before moving to the next part.) The tension in the cord is N