forces crossword

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Across
  1. 5. to gain speed within a short time
  2. 10. two unequal forces acting in opposite directions
Down
  1. 1. the universal force of attraction acting between all matter
  2. 2. a push or pull
  3. 3. absolute unit of force
  4. 4. a straight path an object can take
  5. 6. two forces equal is size and acting in opposite directions on an object
  6. 7. the speed of something in a given direction
  7. 8. the rate of change of position, or the distance traveled in a period of time
  8. 9. the resistance that one surface or object encounters when moving over another