Forces

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Across
  1. 2. Distance divided by time
  2. 4. an object that is thrown
  3. 6. an opposing force acting on two objects as they rub against each other
  4. 10. The rate at which speed increases
  5. 12. The sum of all forces acting on an object
  6. 13. why round things roll
  7. 16. Has a nonzero netforce and causes a change in motion
  8. 17. the friction experienced by an object moving through the air
  9. 18. the product of an objects velocity and mass
  10. 21. an object falling where the only force acting on it is gravity
Down
  1. 1. the measure of the force of gravity on an object
  2. 3. An objects resistance to a change in its motion
  3. 5. Used to determine if an object is in motion
  4. 7. A push or a pull
  5. 8. force that pulls objects to Earth
  6. 9. when an object changes its position from a reference point
  7. 11. the maximum speed a falling object can achieve.
  8. 14. Speed in a given direction
  9. 15. Has a net force of zero
  10. 19. the force necessary to accelerate 1kg object at a rate of one meter per second per second
  11. 20. The amount of matter in an object