motion and force

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Across
  1. 4. a push or a pull on one object by another object that is touching it
  2. 5. a measure of the change in velocity during a period of time
  3. 7. the starting point you choose to describe the location, or position, of an object
  4. 8. an object’s distance and direction from a reference point
  5. 9. a push or a pull on an object
  6. 10. a measure of the distance an object travels in a given amount of time
Down
  1. 1. the speed and the direction of a moving object
  2. 2. the combination of all the forces acting on an object
  3. 3. a force that one object applies to another object without touching it
  4. 6. the process of changing position