Across
- 2. The transfer of energy through motion
- 4. A bottle opener is this kind of tool
- 7. The point where a lever does not move
- 8. The handle of this machine pulls on a cable to wrap it
- 10. A wheel with teeth
- 13. A wheel that turns and allows a rope to move easily
Down
- 1. The unit for work
- 3. Energy that causes something to move
- 5. The distance from the fulcrum to the load is the load ________
- 6. The percentage of useful work done by a machine
- 9. This gear turns another gear
- 11. Its teeth fit into the links of a chain
- 12. A hockey stick is this kind of lever