Rocket Science

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Across
  1. 3. Braun leader of rocket technology and liquid fuel
  2. 5. vehicle launches to space
  3. 9. moving unsteadily
  4. 10. impulse product of thrust times duration
  5. 12. not turbulent
  6. 14. Law for every action there is an opposite action
  7. 15. Law acceleration of item is proportional to the net force
Down
  1. 1. speed forward
  2. 2. a substance that propels something forward
  3. 4. device used by rockets for acceleration
  4. 6. of pressure point where the total sum of the pressure acts on a body
  5. 7. propulsive force of a rocket
  6. 8. Law item stays in place unless touched
  7. 11. rocket rise from the ground
  8. 13. force that opposes motion
  9. 16. Goddard father of modern rocket propulsion