Rocket Science

1. A projectile that can go up to great height.
4. Something that is not constant or steady.
5. The speed of something given in a direction.
8. A point on an object where all of the pressure acts on the body
9. A force or substance that drives something else forward.
13. “An object at rest stays at rest, and an object in motion stays in motion.”
14. When an aircraft takes off.
15. Person who created first liquid fueled jet.
17. Taking place along constant streamlines.

2. A system pushing or forcing an object in one direction.
3. acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object.”
6. “Every action comes with an equal and opposite reaction."
7. A German aerospace engineer and space architect.
10. Another jet used to make flights more accurate.
11. A change in momentum delivered per unit of propellant.
12. A point in an object that is considered to act.
16. The force that works against the movement of another object.