Across
- 1. change in velocity
- 6. how far a object is from its original place
- 7. direction and the steepness of the line
- 9. must be a cause
- 11. position or motion of something is described
- 13. issac
- 15. dividing one quantity by another
- 16. the law of action and reaction
- 18. unchanged
- 19. measurement of the rate and direction of motion
- 20. how fast a object is going
- 21. f=m.a
Down
- 2. rate at which velocity changes with time
- 3. sum of all the forces
- 4. quantitative measure of inertia
- 5. object in free fall
- 8. reduce in speed or rate
- 10. strength between objects
- 12. unchanged speed
- 14. result
- 17. mass