Across
- 4. tendency of an object to resist changing its motion
- 5. the more of this, the greater the inertia
- 6. a moving object with only gravity acting on it
- 7. speeding up or slowing down
- 9. speed and direction
- 15. when air resistance is equal to weight
- 16. unit of force named for brilliant scientist
Down
- 1. what a ball does when you drop it
- 2. the path that a satellite makes in space
- 3. two words that explain gravity everywhere
- 8. the planet we live on
- 10. sum of all forces acting on an object
- 11. push or pull
- 12. an area of space so dense that you cannot see it
- 13. changes as you go to different planet
- 14. the heavenly body that orbits Earth
