👉 In physics and engineering, prepotential is a concept that refers to the potential energy stored in an object or system before any external forces are applied. It is often used in the context of mechanical systems, such as springs or gears, where the work done by the force is the change in potential energy. The prepotential can be defined as the difference between the potential energy and kinetic energy of a system before any external forces act on it. This difference represents the initial kinetic energy of the object or system
