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