Whenever you are running, the highest level of potential energy is at the peak height both, the knee and/or foot reaches. This is because the distance between your foot, and/or knee, and the ground, h, directly affects the potential energy output. It can be proven by the equation:
Potential Energy= (mass)(gravity)(height)
In this case, the values of mass and gravity do not change. However, the distance, or height, between both, your foot and/or knee, and the ground varies as you run. Therefore, as your height increases, potential energy increases.
(V)
