Physics word crosswords

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Across
  1. 4. forces in one direction that is the same in the other direction.
  2. 6. One body rubbing against the other
  3. 7. An influence that can change the motion of an object's
Down
  1. 1. force in one direction that is greater than the force in a different direction.
  2. 2. Change in both speed and direction
  3. 3. Speed in direction
  4. 5. is the rate at which an object is moving