for school

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Across
  1. 3. a line on which an object moves over time
  2. 5. energy of motion
  3. 7. energy
  4. 9. an objects speed in a particular direction
  5. 10. force that opposes motion between two surfaces that are connected
  6. 11. any change in motion
  7. 13. the measure of how much matter an object is made of
  8. 14. of position or internal structure
  9. 15. the measure of distance an object moves in a given amount of time
Down
  1. 1. ability to do work
  2. 2. an objects place or location
  3. 4. push or pull of an object
  4. 6. the property of matter that keeps it moving or keeps it at rest
  5. 8. a measure of how hard it is to slow or stop an object
  6. 12. in position with respect to a reference point