Cords are loop around a small spacer separating twocylinders each weighing 400 lb. and pass, as shown in the fig-12 from the LIST OF FIGURE in Week-1  over africtionless pulley to weights of 200 lb. and 400 lb. Determine the angle =CE=B8. 

• =CE=B8 = 76 degrees
• none of the choices
• =CE=B8 = 60 degrees Correct
• =CE=B8 = 70 degrees