Rocket science

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Across
  1. 5. a reaction force that accelerates mass in one direction
  2. 8. every action has an equal and opposite reaction
  3. 9. the part of a rocket that helps the rocket achieve liftoff
  4. 12. a smooth air flow of a rocket
  5. 13. a cylinder that can fly up in the air
  6. 16. he made the first liquid fueled rocket
  7. 17. an object at rest will stay at rest and an object in motion will stay in motion unless acted upon by another force
Down
  1. 1. a rough air flow of a rocket
  2. 2. the place where everything is balanced
  3. 3. force equals mass times acceleration
  4. 4. the speed of something in a certain direction
  5. 6. the result of thrust times duration over the motor burn time
  6. 7. something that is created by a solid moving through a liquid
  7. 10. the maker of the v2 rocket
  8. 11. the place where all the pressure is on
  9. 14. a part of a rocket that drives something forward using force
  10. 15. the vertical takeoff of a rocket