Newton's Laws Crossword

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Across
  1. 8. lying on the same line
  2. 10. the rate of change in the velocity
  3. 12. the state in which one object's distance from another is changing
  4. 13. the property of relative size or extent
  5. 14. a unit of force known as 1 kg * m/s^2
Down
  1. 1. a tendency to do nothing or to remain unchanged.
  2. 2. a push or pull which changes an object's motion or direction
  3. 3. strength or force gained by motion or by a series of events
  4. 4. an idea evoked by an experience
  5. 5. the measurement of speed in a given direction
  6. 6. the force that pulls objects toward each other
  7. 7. a force that resists the motion of one surface in contact with another
  8. 9. the measurement of distance divided by time
  9. 11. Force= ____ * Acceleration
  10. 15. the force of gravity on an object at the surface of a planet