Physics: Work, Power, etc.

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Across
  1. 2. one thousand watts
  2. 8. unit prefix for 10^6
  3. 9. amount of work done holding a weight steady
  4. 10. force due to gravity
  5. 12. units of force
  6. 13. rate of work being done
  7. 14. a physical quantity that stays the same before, during, and after experiment
  8. 16. 1000 J
  9. 17. Pt (power times time)
  10. 18. keep one of these in your backpack
  11. 19. physical quantity with magnitude only
Down
  1. 1. unit prefix for 10^9
  2. 3. for a point on a line, rise / run
  3. 4. one horsepower
  4. 5. physical quantity with magnitude and direction
  5. 6. units of power
  6. 7. Mr G's favorite physicist
  7. 11. the test of all scientific knowledge
  8. 15. units of work
  9. 17. force on an object times distance moved