Across
- 5. used to produce thrust
- 6. the takeoff phase of the flight of the rocket
- 9. built the first liquid fueled rocket
- 10. F=ma
- 11. The reaction mass of a rocket
- 13. the speed of something in a certain direction
- 15. every action has an equal opposite reaction
- 16. rough bumpy air flow
Down
- 1. smooth air flow
- 2. the average location of the weight on a rocket
- 3. a reaction force described quantitatively by Newton's third law
- 4. an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force
- 7. initially designed rockets for his native country of Germany during World War II
- 8. a word that starts with r and rhymes with pocket
- 12. a word that starts with d and rhymes with flag
- 14. measures the total amount of momentum imparted to the rocket by the motor