Physics Crossword Puzzle

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Across
  1. 3. it’s internal structure doesn’t matter
  2. 6. category of force which can only exist when in contact with the object
  3. 7. change in velocity over change in time
  4. 9. similar to air resistance, but between two objects instead of the air
  5. 11. in a free body diagram, this contact force is parallel to the object
  6. 12. The amount of matter in an object
  7. 13. might be two or more
Down
  1. 1. type of distance force
  2. 2. when an object hits the air too fast, it encounters this contact force
  3. 4. type of contact force in which a length of rope/chain/string is pulled tight
  4. 5. an attraction or a repulsion
  5. 7. The catch all force
  6. 8. total amount of force applied
  7. 10. category of force which can exist at a distance
  8. 14. type of contact force in which elastic material is restored to its original shape