Physics

123456789101112131415161718192021222324252627282930
Across
  1. 3. plural of momentum is?
  2. 8. Force is reduced when the time interval of an impact is
  3. 9. 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?
  4. 10. In fact, any collision that produces …is not elastic; the …signifies a decrease in kinetic energy.
  5. 11. a collision in which two objects stick together after colliding
  6. 13. the product of the force and the time over which the force acts on an object
  7. 14. the what involved in a collision are treated as though they are constant
  8. 17. In what kind of collision is kinetic energy not conserved?
  9. 19. 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
  10. 20. When objects deform during a collision kinetic energy turns into what?
  11. 21. a quantity defined as the product of the mass and velocity of an object
  12. 23. the law when total initial momentum equals total final momentum
  13. 25. The total momentum remains … in any kind of collision.
  14. 28. 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.
  15. 29. momentum is the product of mass times what?
  16. 30. Even in what kind of collision will still result in some decrease in kinetic energy
Down
  1. 1. momentum is a …?
  2. 2. What is not conserved in a collision
  3. 4. Momentum has … mass × length/time
  4. 5. During a collision, some of the work done on what is converted to other forms of energy, such as heat and sound
  5. 6. force equals change in momentum divided by …?
  6. 7. What depends on the impulse momentum theorem
  7. 12. The expression F x delta t = delta p is called the
  8. 15. momentum of an object is equal to zero when the object is …?
  9. 16. event where two or more objects exert forces on each other for a relatively short period of time
  10. 18. the Si unit of momentum is?
  11. 22. a collision in which the total momentum and the total kinetic energy are conserved
  12. 24. 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.
  13. 26. what leads to conservation of momentum
  14. 27. what refers to something that always returns to, or keeps, its original shape.