Work, Energy and Power Crossword

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Across
  1. 2. A quantity, like energy or work, that has magnitude but no direction.
  2. 4. Stored energy.
  3. 6. Metric unit for energy.
  4. 9. Product of force and displacement.
  5. 10. Energy stored in a spring.
  6. 14. The ratio of useful work output to the total energy input.
  7. 15. The law stating that energy cannot be created or destroyed, only transformed.
Down
  1. 1. KE + PE.
  2. 3. Metric unit for power.
  3. 5. The study of energy transformations, particularly involving heat.
  4. 7. Energy related to height.
  5. 8. Rate of doing work.
  6. 11. Energy of motion.
  7. 12. Force that turns work into heat.
  8. 13. While work is a scalar, the force and displacement used to calculate it are this type of quantity.