Across
- 2. a substance that makes an object move
- 5. an object that can propel and stores own fuel
- 7. something that thrusts
- 8. a sudden push in one direction
- 10. where the pressure acts on the body
- 13. an object at rest stays at rest
- 14. major rocket developer in Germany
- 15. pull forcefully
- 16. not controlled or calm
- 17. the speed of something in one direction
Down
- 1. a force that acts upon something
- 3. impulse per unit
- 4. acceleration in a direction with net force
- 6. a non-turbulent flow
- 9. created the first liquid-fueled rocket
- 11. the takeoff with a rocket or helicopter
- 12. point where the body can act