This app is aimed at students who are looking for tasks on the subject of work, energy and performance with tips and detailed solutions.

There are tasks, tips and solutions on the following topics:
- Work
- Potential energy
- Kinetic energy
- clamping energy
- Conservation of energy
- Perfomance
- Efficiency

The app consists of two parts. In a first part, the level of performance of the
learners identified. In the second part, tasks adapted to the learning level are to be solved, classified according to "easy", "intermediate"
and difficult".