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Across
  1. 2. the phenomenon in which an object changes its position.
  2. 4. the universal force of attraction acting between all matter
  3. 7. object's overall change in position.
  4. 8. two forces acting on an object are equal in size but act in opposite directions
  5. 11. rate at which velocity changes with time, in terms of both speed and direction.
  6. 13. the rate at which an object covers distance
  7. 18. angle of rotation of the vector
  8. 19. when two bodies interact, they apply forces to one another that are equal in magnitude and opposite in direction.
  9. 20. the rate of change of its position with respect to a frame of reference
  10. 22. when its instantaneous speed has the same value throughout its journey.
  11. 23. a force that attracts any two objects with mass
Down
  1. 1. the acceleration of an object in free fall within a vacuum
  2. 3. with no resistance between a surface or substance and something that is moving along or through
  3. 5. force that resists the sliding or rolling of one solid object over another.
  4. 6. the measured or measurable period during which an action, process, or condition exists has been put.
  5. 9. strength or energy
  6. 10. property of a body by virtue of which it opposes any agency that attempts to put it in motion
  7. 12. stationary is not moving
  8. 14. place where someone or something is located or
  9. 15. when the object is moving in the positive direction
  10. 16. the amount of space between two things or the state of being far apart.
  11. 17. measure of its resistance to acceleration
  12. 21. When two forces acting on an object are not equal in size