Chapter 6 Physics

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Across
  1. 1. _________ inelastic collisions can be analyzed in terms of momentum.
  2. 3. Newton’s _____ law leads to conservation of momentum.
  3. 6. In a perfectly inelastic collision, two objects _____ together.
  4. 8. _______ velocity is equal to the constant velocity required for the object to travel the same displacement.
  5. 10. Newton called momentum, “_____ of motion”
  6. 11. Kinetic energy is not conserved in _________ collisions.
  7. 13. Forces in ____ collisions are not constant during the collisions.
  8. 14. equals change in momentum divided by the time interval
  9. 17. Elastic and perfectly inelastic collisions are ________ cases.
  10. 18. Force is reduced when the time interval of an impact is ______
  11. 19. In elastic collisions, colliding ______ move separately after the collision.
  12. 20. Most collisions are ______ elastic nor perfectly inelastic.
  13. 21. During a collision, the forces on the two cars are equal in _______ and opposite in direction.
  14. 22. the theorem that says force times time interval equals change in momentum
  15. 25. ______ forces are disregarded in most conservation of momentum problems
  16. 26. the term on the left side of the equation (F delta t)
  17. 28. In all interactions between ________ objects, momentum is conserved.
  18. 29. the plural form of momentum.
Down
  1. 2. momentum is conserved in ________.
  2. 4. depends on the impulse-momentum theorem
  3. 5. Total _______ energy is not conserved in a collision.
  4. 7. The unit for impulse is ___________
  5. 9. the SI units for momentum are ________ per second
  6. 10. The conserved _______ in elastic collisions are momentum and kinetic energy.
  7. 12. the law of ________ of motion states that total initial momentum = total final momentum
  8. 15. momentum is a _____ quantity
  9. 16. In an _______ collision, two objects collide and return to their original shape.
  10. 23. is mass times times velocity
  11. 24. momentum is conserved for objects ______ away from each other.
  12. 27. A _____ in momentum takes force and time.