Across
- 4. where a lever rests
- 6. a wheel on a rod going through the center
- 7. slanted surface to connect a lower and higher place
Down
- 1. two or more simple machines work together
- 2. inclined plane wrapped around a pole to keep things together
- 3. object with one slanted side to cut material apart
- 5. machine that uses wheels and a rope to lift a load
- 8. stiff bar that rests on a fulcrum to lift loads