Ben and David

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Across
  1. 2. He is considered the father of modern rocket propulsion.
  2. 5. this happens when a rocket takes off
  3. 6. an important engineer in rocket technology
  4. 9. is the the speed of something in a given direction.
  5. 11. states what the acceleration of an object is dependent on
  6. 12. A moving force that causes another object to move.
  7. 13. is something that impedes motion
  8. 14. bumpy ride thrusters
Down
  1. 1. similar to center of mass.
  2. 3. all aerodynamic force passes through this point.
  3. 4. smooth ride
  4. 7. states when an still object will move
  5. 8. This states every action has a consequence
  6. 10. This is measured by newton seconds
  7. 14. moving something forward at a high acceleration.
  8. 15. is a somethingthat can be propelled to a height