Words of This Topic
| Word | Meaning |
| Fulcrum | The fixed point about which a lever turns. |
| Load | The force exerted by the object that the lever has to move. |
| Effort | The force that we ourselves apply on the lever. |
| Load distance (L.D.) | The distance from the fulcrum to the load. |
| Effort distance (E.D.) | The distance from the fulcrum to the effort. |
| Mechanical advantage (MA) | The ratio of load to effort, a number with no unit. |
| Newton (N) | The unit in which force is measured. |