| A | B |
|---|
| simple machine | can perform work with little or no moving parts |
| complex machine | combines one or more simple machines |
| lever | consists of a board and fulcrum |
| pulley | made of a wheel and a rope |
| inclined plane | helps move an object from a higher place to a lower place or vice versa |
| wedge | used to seperate to objects that are closely joined |
| screw | an inclined plane wrapped around itself |
| wheel and axle | helps move something along a path |
