Across
- 3. A measure of how quickly work is done
- 4. speed The total distane traveled divided by the time of travel is
- 8. force a combination of all the forces that act on an object
- 9. When objects collide in the obsence of external forces is a
- 11. of energy Energy cannot be created or destroyed
- 13. The product of force and contact time
- 14. speed The speed at any instant of time
- 16. energy Stored energy due to position , shape, or state
- 17. force The force that supports an object on a surface against gravity
- 19. law of conservation of momentum The total momentum in a closed system is conserved
- 20. That which produces changes in matter
Down
- 1. s simply a push or a pull
- 2. The covered per amount of travel speed
- 5. The rate at which velocity changes with time
- 6. Inertia in motion
- 7. energy The energy of a moving body
- 10. collision A collision in which colliding objects become tangled
- 12. The resistive force that opposes the motion
- 15. Quanity describing both speed and direction
- 18. The product of the force exerted on an object