simple machines
Across
- 4. a rigid bar on a pivot
- 5. force to pick up a load
- 7. used to make work easier
- 8. stick and fulcrum
- 9. point where stick pivots
- 10. crane
Down
- 1. a material that has a thick end and a thin edge
- 2. a ramp
- 3. knife
- 6. object being lifted