Across
- 2. The "kickback" felt when launching a projectile
- 5. The unit of energy
- 6. Collision where objects stick together or lose energy
- 8. Speed in a specific direction
- 9. The energy of motion
- 10. The average position of all mass in a system
- 11. A system with no external forces
- 13. Product of mass and velocity
Down
- 1. Product of force and change in time
- 3. Collision where kinetic energy is conserved
- 4. Force is equal to the change in momentum over time
- 7. Stored energy like in a compressed spring
- 8. Quantity with both magnitude and direction
- 12. A collection of objects being studied
- 14. Event where one object breaks into many