A person whirls a ball and string in a vertical circle of radius 1.50m. The ball travels at a constant speed of 6.50 m/s around the circular path; its mass is 55.0g. What is the tension in the string at (a) the bottom and (b) the top.
The Attempt at a Solution
I was thinking a free body diagram but no idea how to start it. And what would it look like.
Can anyone give me a good start, or a detailed layout of how you worked the problem.