Across
- 3. an Axle attached to the center of a large wheel
- 4. an inclined plane with one or two sloping sides
- 5. grooved wheel with a rope, chin or cable running along groove
- 8. inclined plane in wrapped in a spiral around a cylinder post
- 9. two or more simple machines hat operate together
- 10. sloping surface, such as a ramp
Down
- 1. ratio of the output force to input force
- 2. bar that is free to pivot around a (fulcrum)
- 6. fixed point
- 7. device that makes work easier