My Physics Crossword

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Across
  1. 4. A quantity with both magnitude and direction
  2. 5. Best angle of launch for greatest distance
  3. 6. The tendency to resist motion
  4. 8. Unit of power
  5. 9. How much matter is in an object
  6. 12. Friction acting on an object moving through the air
  7. 15. The person who made the three Laws of Motion
  8. 16. Unit of force
  9. 17. A quantity with magnitude
  10. 19. Unit of mass
Down
  1. 1. The force that attracts something to the earth
  2. 2. Imposed motion
  3. 3. Energy of motion
  4. 4. Speed in a certain direction
  5. 7. The rate of velocity changing
  6. 10. How fast an object is moving
  7. 11. The force acting on objects rubbing together
  8. 13. A balance to measure weight
  9. 14. Unit of heat
  10. 18. How much space an object takes up