Across
- 4. force aplied by the machine
- 5. grooved wheel with rope
- 6. Machine that does work with only movement of the machine
- 7. axel attached to center of a larger wheel so that they rotate togeather
- 9. sloping surface
- 10. makes work easier
Down
- 1. two or more simple machines
- 2. incline plane wraped in spiral around cylinder
- 3. inclined plane with one or two sloping sides
- 8. bar that is free to pivot
- 11. force applied to the machine