PHYSICS OF ROLLER COASTERS

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Across
  1. 4. lack of feeling of external forces acting on an object
  2. 5. energy of an object in motion
  3. 7. when forces exactly counteract on another
  4. 8. force when travelling on a curve
  5. 10. amount of gravitational force acting on an object
  6. 13. amount of time for a motion to cycle
  7. 14. distance divided by time
  8. 17. Isaac Newton's principles regarding force and motion
  9. 19. when forces are uneven
  10. 20. the speed of an object and its direction of travel
Down
  1. 1. change in speed or direction
  2. 2. force resisting motion
  3. 3. the quantity of motion of an object
  4. 6. the force of gravity acting on an object
  5. 9. a push or pull on an object
  6. 11. tendency of an object to resist a change in motion
  7. 12. unit of acceleration equal to the acceleration of gravity
  8. 15. energy when an object is at rest
  9. 16. the ability to do work
  10. 18. amount of matter in an object