A 0.20-kg ball on a stick is whirled on a vertical circle at a constant speed. When

Question:

A 0.20-kg ball on a stick is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the stick tension is 16 N. Find the tensions in the stick when the ball is at the twelve o'clock and at the six o'clock positions?