Across
- 3. beam pivoted at a fulcrum
- 7. how fast a machine works
- 8. how much of something is done
- 9. turns on an axle
- 10. ramp
Down
- 1. support movement from a cable
- 2. force produced by a machine
- 4. how fast work is done
- 5. axe stuck in tree stump
- 6. spiral staircase