Forces Review

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Across
  1. 3. the moment when two objects hit each other
  2. 4. the gravitational force acting on a object
  3. 7. speed in a particular direction
  4. 10. anything that takes up space and has mass
  5. 11. amount of matter in an object
  6. 13. acting on or going in the reverse direction
Down
  1. 1. a force between an object and the surface
  2. 2. mass times velocity
  3. 5. to apply a force
  4. 6. tendency for an object to resist motion
  5. 8. the same in quantity, size, degree or value
  6. 9. push or pull
  7. 12. how fast an object is going