Simple machines

12345678910
Across
  1. 2. rotate together
  2. 6. one movement
  3. 8. IFO
  4. 9. inclined plane with sloping sides
  5. 10. wheel with a rope
Down
  1. 1. system of pulleys
  2. 3. operate together
  3. 4. FOI
  4. 5. FIO
  5. 6. inclined plane spiral
  6. 7. fulcrum