Physics

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Across
  1. 5. Gravitational force acting on an object
  2. 8. Total path covered, regardless of direction
  3. 9. Distance travelled per unit time
  4. 11. Tendency of an object to resist a change in motion
  5. 12. Ratio of useful energy output to total input
  6. 14. Slope of a graph, often showing rate of change
  7. 15. A state of balance in forces
  8. 16. Single force representing combined effect of multiple forces
  9. 17. Speed in a given direction
  10. 18. Stored energy due to position
Down
  1. 1. Rate of change of velocity
  2. 2. A push or pull acting on an object
  3. 3. Energy of motion
  4. 4. Shortest path from start to end, with direction
  5. 6. The force that attracts objects toward the Earth
  6. 7. Amount of matter in an object
  7. 10. The capacity to do work
  8. 13. Principle that total energy or momentum stays constant