physics crossword puzzle by dashawn

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Across
  1. 3. stored energy
  2. 4. -the percentage ratio of the output energy to the input energy
  3. 8. a simple machine
  4. 9. f/d
  5. 11. unit of power
  6. 13. to do work
  7. 15. -a measure of the ratio of output force to input force in a system
  8. 16. unit for work
Down
  1. 1. - requires less work
  2. 2. - energy that is moving
  3. 5. point of which lever rest
  4. 6. - law of ___ of ______ states
  5. 7. the rate at which work is done
  6. 10. - device used to multiply forces
  7. 12. - when energy changes
  8. 14. wheel on an axle