1. The problem statement, all variables and given/known data A ball is tossed up into the air. It reaches maximum height and comes back down. What is the net force on the ball at the following situations: a. The ball is moving upward as it is released. b. The ball is at it's highest point. (when it comes to a stop i suppose) c. The ball is moving downward. 2. Relevant equations F = ma ? 3. The attempt at a solution a. Force is up and decreasing. b. Force is 0 c. Force is down and increasing. Please let me know what you guys think. I have other problems also.