Work, Energy & Power

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Across
  1. 1. increase this to increase g.p.e.
  2. 5. unit of force
  3. 7. gpe in kJ gained when a mass of 20kg moved up by 10m
  4. 8. force times this equals work done
  5. 10. work in J when 5N moves by 4m
  6. 12. power equals energy transfer ******* by time
  7. 13. distance in cm when 4N does 2J of work
  8. 15. measured in newtons
  9. 16. unit of power
  10. 17. unit of work
  11. 19. you need this to do work
  12. 21. how quickly work is done
  13. 22. work equals force ********** by displacement
Down
  1. 2. type of potential energy gained when a weight is lifted
  2. 3. when working out k.e. speed is ?
  3. 4. the less of this the more powerful a machine is
  4. 6. moving
  5. 7. power in kW when 60kJ of work done in 20s
  6. 9. energy that can be released
  7. 11. ke in J of mass of 2kg travelling at 4m/s
  8. 14. when this moves work is done
  9. 16. energy is needed to do this
  10. 18. the more of this the greater is the k.e.
  11. 20. speed in m/s of body mass 4kg having ke of 32J