Forces Gears and Pulleys

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Across
  1. 3. A bar or shaft on which a wheel turns
  2. 4. A push or pull
  3. 7. A pulley that moves with the load
  4. 8. A screw that meshes with a gear to change the direction of force
  5. 9. A tool for measuring weight or load
  6. 11. Unit of measurement for force
  7. 13. The force of attraction between objects
  8. 15. A device that uses electricity or fuel to move an object
  9. 16. A grooved wheel that is turned by a rope, cable or belt to change the direction of force
Down
  1. 1. A weight that is supported or moved by an object
  2. 2. A wheel with teeth around the edge
  3. 4. A pulley that stays in one place
  4. 5. A pushing force
  5. 6. A pulling force
  6. 10. Force used to move an object
  7. 12. The bumps or spikes around a gear wheel
  8. 14. A device used when you move a wheel in one direction only