Terminology
| Term | Explanation |
|---|---|
| lever | A simple device that is used to produce large forces with only a little energy. |
| first class lever | A lever with a fulcrum located at its center. E.g. a see-saw. |
| second class lever | A lever with a fulcrum located at its end. E.g. a hand brake. |
| third class lever | A lever where the force is applied between the fulcrum and the load. E.g. a fishing rod. |