Forces and Motion

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Across
  1. 2. speed + direction
  2. 5. push or pull
  3. 6. 3
  4. 7. earth
  5. 8. movement
  6. 9. the guy that invented the laws of motion
Down
  1. 1. 2
  2. 3. 1
  3. 4. no clue for you
  4. 8. weight