| A | B |
|---|
| Machine | Devise with moving parts that work together to accomplish something. |
| Input | Everything one does to make the machine work. |
| Output | What the Machine does, force applies be a machine. |
| Simple machine | Unpowered mechanical device. Ex: Lever |
| Mechanical advantage | Ratio of output force to input force |
| Lever | rgid bar the pivits |
| Fulcrum | What lever rotates around |
| Input arm | part of the lever where imput force is applied |
| Output arm | end of the lever that moves the rock or heavy weight |
