Physics

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