Simple Machines

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Across
  1. 2. the unit for measuring force
  2. 5. a simple machine gives us mechanical what?
  3. 6. an inclined plane wrapped around a pole
  4. 10. a force that resists motion
  5. 12. wheels with teeth
  6. 13. a grooved wheel with ropes
  7. 14. the inventor of the screw
  8. 16. when the push and pull forces are balanced
Down
  1. 1. a kind of lever
  2. 3. a bar used for lifting heavy objects
  3. 4. a handle that turns a wheel's axle
  4. 7. a force that moves an object
  5. 8. a simple machine is a type of
  6. 9. a force that pushes down on everything
  7. 11. when 2 forces are not equal
  8. 13. a force that moves something away
  9. 15. a combination of simple machines