Rocket science

3. second law of motion force equals mass time acceleration
4. Robert H. Goddard credited with creating and building the world's first liquid-fueled rocket.
5. of pressure center of all drag forces upon a rocket
7. occurs when a fluid flows in parallel layers,
8. certain complex and unpredictable motions of a fluid
10. the speed of something in a given direction
12. a missile, spacecraft aircraft or other vehicle that obtains thrust
14. reaction of accelerating a mass of gas

1. von Braun aerospace engineer
2. production of energy or pressurized gas
4. a type of friction or fluid resistance
6. a small rocket engine on a spacecraft, used to make alterations in its flight path or altitude
9. takeoff, especially the vertical takeoff of a rocket or helicopter.
11. third law of motion when one object applies a force on a second object, the second one simultaneously applies a force equal in magnitude and opposite in direction on the first object.
13. impulse a measure of the maximum momentum that a given reaction engine and fuel supply can impart to a vehicle