Physics terms

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Across
  1. 1. a pulley that does not rise and fall as the load moves
  2. 5. the product of effort over a distance
  3. 6. there are three classes of this simple machine
  4. 7. energy, another term that means heat energy
  5. 11. number of movements in a simple machine
  6. 13. a machine that moves a load through a great distance with little effort is a ______ multplier
  7. 14. in the middle of a first class lever
  8. 16. another word meaning balance
  9. 17. plane, a simple machine with no moving parts
  10. 18. distance, the distance between the load and fulcrum
  11. 19. the ability to do work
Down
  1. 1. a push or a pull
  2. 2. distance, the distance between the effort and the fulcrum
  3. 3. unit of energy
  4. 4. unit of energy
  5. 8. a force ______ moves a large load with little effort
  6. 9. a pulley that rises and falls as the load moves
  7. 10. effort applied to a machine
  8. 12. output/input x100
  9. 15. a grooved wheel on an axle