Across
- 1. radius
- 4. projectile
- 6. velocity
- 9. circular
- 13. speed
- 14. acceleration
- 16. circumference
- 17. centripetal
- 20. vertical
Down
- 2. axis
- 3. force
- 5. horizontal
- 7. tangential
- 8. angle
- 10. distance
- 11. direction
- 12. motion
- 15. gravity
- 18. time
- 19. mass