Simple Machines

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Across
  1. 2. these make work easier
  2. 3. wheel with a grooved rim that a rope passes over
  3. 4. lever found on a playground
  4. 8. force that opposes motion
  5. 9. consists of a long beam, fulcrum, and pivot point
  6. 12. lever used by a carpenter
  7. 13. inclined plane mainly used to separate
Down
  1. 1. flat surface raised at an angle
  2. 5. when a force is applied over a distance
  3. 6. wedge found in the kitchen
  4. 7. inclined plane wrapped around a post
  5. 10. inclined plane used to help load boxes into a truck
  6. 11. greatly reduces friction as it moves over a surface