Physics Mystery

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Across
  1. 3. A measure of disorder or randomness in a system.
  2. 6. A space entirely devoid of matter.
  3. 7. A fundamental particle that makes up protons and neutrons.
  4. 9. Speed in a specific direction.
  5. 10. The force of gravity acting on an object's mass.
  6. 12. Stored energy based on an object's position.
  7. 13. Energy transferred by a force acting through a distance.
  8. 15. The rate at which work is done or energy is used.
  9. 16. The quantity of matter in an object.
  10. 18. The standard unit of work or energy.
Down
  1. 1. The product of an object's mass and its velocity.
  2. 2. The universal attraction between all masses.
  3. 3. The capacity to do work.
  4. 4. The rate at which velocity changes over time.
  5. 5. The force resisting the relative motion of surfaces.
  6. 8. A push or pull acting upon an object.
  7. 9. A quantity that has both magnitude and direction.
  8. 11. An object's resistance to a change in its motion.
  9. 14. Thermal energy transferring between systems.
  10. 17. How fast an object is moving (distance/time).