Across
- 3. projectile
- 9. gravitationalattraction
- 10. slidingfriction
- 12. motion
- 13. friction
- 14. weight
- 15. distance
Down
- 1. rollingfriction
- 2. universalgravitation
- 4. airresistance
- 5. frictionstrength
- 6. fluidfriction
- 7. staticfriction
- 8. mass
- 11. gravity