Across
- 4. small rocket engine on a spacecraft
- 5. takeoff (of rockets)
- 6. aerodynamic forces act on all parts of the rocket
- 8. the speed and momentum of a rocket
- 9. a force or push
- 10. the speed of the fluid is continuously undergoing changes in both magnitude and direction
- 13. thrust times duration
- 15. an object will remain at rest unless acted upon by a force
- 17. an American engineer, credited with creating and building the world's first liquid-fueled rocket.
Down
- 1. the acceleration of an object depends on the net force acting upon the object and the mass of the object
- 2. the average location of the weight of an object
- 3. A german rocket engineer
- 7. For every action there is an equal and opposite reaction
- 11. a missile that can go to a great height
- 12. causes rocket to move
- 14. air moving at the same speed and in the same direction
- 16. one of the two aerodynamic forces
