Work and Machines Crossword Puzzle

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Across
  1. 1. splits objects apart
  2. 5. a frictional force upon falling object
  3. 8. causes an object to oppose motion
  4. 9. reduces friction
  5. 11. opposition or weight
  6. 13. universal force
  7. 15. 2 or more machines that make work easier
  8. 17. Makes daily life easier
  9. 19. an object that is thrown
  10. 20. push or pull
  11. 21. 3 classes of these simple machines
  12. 22. the output force
  13. 24. the resistance
  14. 26. wheels that have teeth
  15. 27. effort
  16. 28. Newton’s 1st Law, and the level of difficulty it is to perform certain tasks
  17. 29. attached to an axle
Down
  1. 2. productivity
  2. 3. difference in what is applied by the object and what is being applied to object
  3. 4. absolutely zero motion, there is no net force
  4. 6. perfect balance
  5. 7. where it pivots
  6. 10. unit of measurement for force
  7. 12. the performance of the machine
  8. 14. Unit of measurement for energy
  9. 16. Force multiplied by Distance
  10. 18. a ramp
  11. 23. wedge and inclined plane combined
  12. 25. creates equilibrium and changes direction of force