zedricks law of motion puzzle

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Across
  1. 2. the state which in object from eachother is changing
  2. 4. force then two forces arnt the same
  3. 6. it to use any force
  4. 8. speed of an object in a specific direction
Down
  1. 1. a push or pull that is excerted
  2. 3. the speed or rate of something
  3. 5. the weight of something
  4. 7. the distance a unit moves at a time