Across
- 4. state of balance of motion and energy
- 7. mass times acceleration
- 9. potential+kinetic
- 11. energy is never created or lost
- 14. vector quantity of speed
- 15. energy from motion
- 20. contact force
- 22. equal and opposite reactions
- 23. mass times velocity
- 25. unit of power
- 26. force/time
Down
- 1. no matter or energy can pass
- 2. ___ collisions lose kinetic energy
- 3. stored energy
- 5. unit of work
- 6. work divided by time
- 8. stored work
- 10. tendency to stay in state of motion
- 12. momentum always remains constant
- 13. force times distance
- 16. ___ collisions don't lose kinetic energy
- 17. exchanges matter and energy
- 18. F=ma
- 19. only exchanges energy
- 21. inertia
- 24. measured in kilograms