machines

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Across
  1. 4. / An inclined plane with one or two sloping sides.
  2. 5. / A grooved wheel in which a rope or string passes.
  3. 7. a lawn mower / Example of pulleys.
  4. 9. Screws / Example of a screw.
  5. 10. / Example of wheel and axles.
Down
  1. 1. / An inclined plane that is spiral around the object.
  2. 2. / Long, rigid bar over a support.
  3. 3. Planes / Flat surface with one end higher than the other.
  4. 6. / Example of a lever.
  5. 8. and axles / Consist of a wheel attached to an axel.