The 200-lb uniform container is suspended by means of a 6-ft-long cable, which is attached...

The 200-lb uniform container is suspended by means of a 6-ft-long cable, which is attached to the sides of the lank and passes over the small pulley located at O. If the cable can be attached at either points A and B, or  and D. determine which attachment produces the least amount of tension in the cable. What is this tension?