physics crossword

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Across
  1. 2. The amount of matter in object
  2. 3. Energy that an object has due to its motion
  3. 7. The state in which one object's distance from another is changing
  4. 8. slowing down
  5. 9. The ability to produce change
  6. 10. The force that pulls objects toward each other
Down
  1. 1. A number that tells how much of something there is
  2. 4. The overall force on an object when all individual forces acting on it are added together
  3. 5. The tendency of an object to resist change in its motion
  4. 6. The distances an object travels per unit of time