potential energy stored in a spring.... Help needed :) I guess this will be easy for some of you put there...but not me it seems. What I need to know is how to calculate the potential energy that can be stored in a compression spring. I currently have a project of mine that is a design for pedal assistance on a bicycle so the answer would be helpfull in Watts or Horse power. If somebody could help me and tell me the calculation I would very much appreciate it. Kevin. Ps, any ideas on the subject of potential energy and its application for pedal assistance is also welcome.