Momentum

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Across
  1. 6. the change in velocity
  2. 8. when objects collide and stick together
  3. 9. the speed of an object in a given direction
  4. 11. if an object moves 4m in one second and 4 m the next second, its acceleration is
  5. 12. a quantity that has magnitude and direction
  6. 13. a measurement of the amount of motion in an object
  7. 14. if an object is accelerating, its forces must be
Down
  1. 1. when objects collide and bounce apart
  2. 2. if the amount of time for a given change in momentum decreases, the force
  3. 3. the amount of force over a given amount of time
  4. 4. if an object's change in momentum is 20, what is its impulse?
  5. 5. to keep a certain amount of something
  6. 7. the amount of push or pull on an object
  7. 10. acceleration will not occur if forces are