Force and Motion

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Across
  1. 4. how many laws of motion did Newton propose?
  2. 5. when equal forces are acting on an object
  3. 6. unit of measure for mass
  4. 8. scientist famous for his three laws of motion
  5. 13. force equal & opposite in direction to the Action force
  6. 14. key word for first law of motion
  7. 15. force that opposes motion
Down
  1. 1. a push or a pull
  2. 2. when unequal forces are acting on an object
  3. 3. unit of measure for force
  4. 7. Force equals mass times acceleration
  5. 9. a change in velocity
  6. 10. all moving objects have this
  7. 11. attractive force between two objects
  8. 12. is a measure of the effect of gravity on matter