force and motion

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Across
  1. 9. kinetic energy
  2. 10. how far the object moves from its starting position.
  3. 12. The mechanical energy of position.
  4. 13. a device that makes work easier.
  5. 15. The energy of moving light waves.
Down
  1. 1. a combination of simple machines.
  2. 2. The energy of moving objects.
  3. 3. The energy of moving electrons.
  4. 4. an energy source that contains water
  5. 5. The energy of moving molecules.
  6. 6. heat energy from the earth.
  7. 7. A push or a pull that has magnitude and direction.
  8. 8. Changing mechanical energy by applying a force over a distance.
  9. 11. energy you use from the sun.
  10. 14. The ability to cause motion in a system or do work.