Puzzle Time

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Across
  1. 2. Planets _______ the sun
  2. 4. constant no matter where you are at
  3. 9. Location to which another location is compared
  4. 10. A push or a pull
Down
  1. 1. Location of an object
  2. 3. Speed of an object in a particular direction
  3. 5. Motion of a body when only the force of gravity is acting on it
  4. 6. Planets are round because of this
  5. 7. Combination of all forces acting on an object
  6. 8. an amount of space between two things or people.