physical science module 2

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Across
  1. 1. the constant velocity of a falling object when air resistance equals the force of gravity.
  2. 5. measurement of how much an object has moved.
  3. 7. Friction friction force that acts on rolling objects
  4. 8. velocity that does not change.
  5. 10. speed the distance divided by the elapsed time.
  6. 13. the change of an object’s velocity over time.
  7. 14. Friction force that acts on objects that are not moving. (Couch Potato)
  8. 17. the product of an object’s mass and its velocity.
  9. 18. movement in relation (or relative) to a frame of reference
  10. 20. the speed & direction an object is moving
  11. 21. force that opposes motion between 2 surfaces
Down
  1. 2. a quantity that has magnitude & direction
  2. 3. are quantities that are fully described by a magnitude (or numerical value) alone.
  3. 4. measurement of how distance and direction has changed.
  4. 6. speed measured at a particular instant
  5. 9. Friction force that opposes the direction of motion of an object as it slides over a surface. (Ice skating or bobsledding)
  6. 11. speed computed for the entire duration of the trip
  7. 12. of reference system of objects that are not moving with respect to one another
  8. 15. force unbalanced forces that are not opposite and equal
  9. 16. Unit is meter per second
  10. 19. a change in position