Finals Crossword

4. amount of space inside of a solid figure
5. The rubbing of one object or surface against another.
6. defined as the number of square units that covers a closed figure
7. a certain formula period of equals to m_A u- ∫▒〖R dt= m_A ύ_A 〗
10. plural of radius
13. Momentum has a direction as well as ________
15. measure of heaviness of an object
17. ________ momentum is also a conserved quantity, meaning that if a closed system is not affected by external forces, its total linear momentum cannot change
18. Collisions in which objects rebound with the same speed (and thus, the same momentum and kinetic energy) as they had prior to the collision are known as _______
19. an integer between positive and negative, no value

1. an impact for which the velocities of the 2 bodies are directed along the line of impact
2. the quantity mass times volume is known as what
3. In a closed system (one that does not exchange any matter with its surroundings and is not acted on by external forces) the total momentum is _______.
8. ( ἠ ); output work over input work
9. a collision that some of the kinetic energy of the colliding bodies is converted into other forms of energy such as heat or sound.
11. plural of axis
12. an impact for which the mass centers of the 2 bodies lie on the line of impact
14. taken as a perpendicular from the base of a figure
16. the bottom line of the shape such as triangle or rectangle
18. is the capacity to do work