physics

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Across
  1. 3. things rubbing against eachother
  2. 4. how fast something is
  3. 7. distance to where something starts to the end
  4. 9. what you need to push something
  5. 13. all forces acting on an object
  6. 14. size or amount
  7. 15. speed and direction
Down
  1. 1. force down to the floor
  2. 2. velocity and mass
  3. 5. magnitude and direction
  4. 6. J=F^t=^P
  5. 8. falling down
  6. 10. weight of something
  7. 11. resist change in motion
  8. 12. moving object with mass