8.6 CW 1

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Across
  1. 5. a change in position of an object over time
  2. 6. a drawing that uses arrows to represent the forces acting on an object
  3. 9. how fast an object moves
  4. 11. not moving relative to a reference point
  5. 12. the tendency of an object to resist changes in its motion
  6. 14. forces acting on an object that do not cancel out, resulting in a nonzero net force
  7. 16. motion in which an object changes direction and follows a circular or curved trajectory
  8. 19. the curved path of an object moving around a center due to a force acting toward that center
  9. 20. forces acting on an object that are equal in strength and opposite in direction, resulting in a net force of zero
  10. 21. the support force exerted by a surface on an object in contact with it
  11. 22. a force exerted by a stretched or compressed object that tries to return to its original shape
  12. 24. a push or pull that can change an object’s motion
  13. 26. a quantity that has both magnitude and direction
  14. 27. speed in a given direction
Down
  1. 1. a fixed point or object used to determine an object’s position and motion
  2. 2. the strength or size of a force
  3. 3. the force that opposes motion between two surfaces that are sliding past each other
  4. 4. a force that is exerted on an object by a person or another object
  5. 7. a place or object used for comparison to determine if something is moving
  6. 8. a net force that is not equal to zero and causes a change in motion
  7. 10. the way an object is moving
  8. 13. a single object shown in a force diagram with all forces acting on it
  9. 15. the total force acting on an object after all forces are added together
  10. 17. the location of an object relative to a reference point
  11. 18. motion described based on the observer’s frame of reference
  12. 23. a force that opposes motion when an object moves through a fluid such as air or water
  13. 24. a force that opposes motion between two surfaces in contact
  14. 25. the force of attraction between Earth and objects with mass