Physics Fun

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Across
  1. 3. A net result of zero, or a physicist’s Zen state.
  2. 5. The frame of reference that isn't speeding up.
  3. 7. A quick change of heart... and momentum.
  4. 15. The derivative of a derivative; a real pain for a smooth ride.
  5. 16. Change of heart for a speedometer?
  6. 17. Tug-of-war’s primary tension source.
  7. 18. The slope of a "Position vs. Time" graph.
  8. 19. Newton’s first name for "stubbornness."
  9. 20. Action-reaction's inseparable partner.
  10. 22. A measure of how much "stuff" refuses to budge.
  11. 28. A bird’s-eye view of the commute, ignoring the turns.
  12. 29. The invisible glue or the ultimate drag.
  13. 30. Air's way of saying "slow down."
Down
  1. 1. The coefficient that’s a bit "Greek" to us.
  2. 2. Motion where weight is a heavy subject but gravity is the only boss.
  3. 4. Friction’s smoother, less active sibling.
  4. 6. An object whose only baggage is its own weight.
  5. 8. A path that’s just a bit extra-ordinary (specifically, a U-turn).
  6. 9. A scalar that never looks back.
  7. 10. Displacement for a car that finishes exactly where it started.
  8. 11. Friction that occurs when things finally get moving.
  9. 12. FORCE What a scale measures when it’s lying to you about your mass.
  10. 13. Galileo’s favorite constant, often rounded to 10 for the lazy.
  11. 14. The center-seeking force that keeps you in the loop.
  12. 21. A quantity that knows exactly where it’s going.
  13. 23. The "normal" way to stay on the ground.
  14. 24. Where the ball stops being "upwardly mobile."
  15. 25. What a cable feels under pressure.
  16. 26. The unit that’s secretly a kilogram-meter per second squared.
  17. 27. A vector’s "pushy" personality.