Physics

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  1. 2. momentum of an object is equal to zero when the object is …?
  2. 5. momentum is the product of mass times what?
  3. 6. In fact, any collision that produces …is not elastic; the …signifies a decrease in kinetic energy.
  4. 8. Momentum has … mass × length/time
  5. 10. Force is reduced when the time interval of an impact is
  6. 12. what refers to something that always returns to, or keeps, its original shape.
  7. 14. event where two or more objects exert forces on each other for a relatively short period of time
  8. 15. the law when total initial momentum equals total final momentum
  9. 16. The product of the … and the time interval during which the force is applied is called the impulse of the force for the time interval.
  10. 17. a collision in which the total momentum and the total kinetic energy are conserved
  11. 18. momentum is a …?
  12. 21. plural of momentum is?
  13. 22. what leads to conservation of momentum
  14. 24. The total momentum remains … in any kind of collision.
  15. 26. During a collision, some of the work done on what is converted to other forms of energy, such as heat and sound
  16. 27. the what involved in a collision are treated as though they are constant
  17. 28. the product of the force and the time over which the force acts on an object
  18. 29. a quantity defined as the product of the mass and velocity of an object
  19. 30. Even in what kind of collision will still result in some decrease in kinetic energy
Down
  1. 1. In what kind of collision is kinetic energy not conserved?
  2. 3. the Si unit of momentum is?
  3. 4. What is not conserved in a collision
  4. 7. What is the force applied constantly to an object for a certain time interval will cause a change in the object’s momentum equal to the product of the force and the time interval during which the force acts.
  5. 9. When objects deform during a collision kinetic energy turns into what?
  6. 11. a collision in which two objects stick together after colliding
  7. 13. The expression F x delta t = delta p is called the
  8. 19. The total momentum of all objects interacting with one another remains constant regardless of the nature of the forces between the objects in what kind of system?
  9. 20. What depends on the impulse momentum theorem
  10. 23. In physics, an elastic material is one in which the … done to deform the material during a collision is equal to the …the material does to return to its original shape
  11. 25. force equals change in momentum divided by …?