Ideal mechanical advantage

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Across
  1. 2. The ability to do something
  2. 5. An object with many parts and mechanical advantage
  3. 7. A push or pull
  4. 8. The amount of energy put out
Down
  1. 1. A device used for a particular function
  2. 3. The quantitative relationship between two amounts
  3. 4. Energy that is in motion
  4. 5. A certain size or amount
  5. 6. The amount of energy put in