Across
- 3. a wheel with a grooved rim around which a cord passes
- 4. a tool used to move heavy objects
- 6. wheel connected to a rigid pole
- 8. a machine consisting of two or more simple machines
Down
- 1. a ramp
- 2. having one thick end and tapering to a thin edge
- 5. the point on which a lever is supported and pivots
- 7. short slanted sharp pointed metal pin used to join things together