Across
- 3. a rigid device that has a fulcrum
- 5. device that helps people do work
- 7. inclined plane curved in a spiral
- 8. wheelbarrow
- 9. tweezer
- 10. a device with 1 or 2 parts that work to move a single load
- 13. made up of a wheel shat or rod that goes through the center of the wheel or is joined at the center of the wheel
Down
- 1. a ramp or any type of slanted surface
- 2. 2 or more inclined planes that come together in a point
- 4. car bus boat
- 6. see-saw
- 11. rope or cable placed over a grooved wheel
- 12. pivot
- 13. using a pushing or pulling force to move an object