Simple machines

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Across
  1. 2. A long straight object used in a lever
  2. 4. A simple machine that uses a bar and a fulcrum to lift a load
  3. 6. A simple machine used to cut or split objects
  4. 7. A simple machine that holds objects together by twisting
  5. 9. The rod that connects the wheel and helps it turn
  6. 11. The fixed point where a lever turns
  7. 12. An example of a wheel and axle
  8. 14. The sharp end of a wedge
  9. 15. The spiral groove found in a screw
Down
  1. 1. A simple machine that uses a rope and wheel to lift objects
  2. 3. Used in a pulley to lift objects
  3. 5. Another name for an inclined plane
  4. 6. A round object that rolls to reduce effort
  5. 8. The object being lifted or moved
  6. 10. The force applied to move an object
  7. 13. An example of a wedge