Physics word puzzle

1234567891011121314
Across
  1. 4. Rate of position change
  2. 7. Change of position
  3. 9. Collide
  4. 11. Speed and direction
  5. 12. Push or pull
  6. 13. Resisting movement
  7. 14. How fast something is moving
Down
  1. 1. Direction and time
  2. 2. Mass in motion
  3. 3. Universal force
  4. 5. Stays in the same state
  5. 6. Weight
  6. 8. Throwing
  7. 10. All together