Force Problem!!!!!!!!! 1. The problem statement, all variables and given/known data a ball of mass 2.0kg is dropped from a height of 10m. the speed of the ball is measured as 12.5m/s just before it hits the ground. what was the work done against air friction during this fall? 2. Relevant equations 3. The attempt at a solution totally lost on where to begin can someone help me start? im not finding anything on work itself as a force, is it a force?