rockets

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Across
  1. 2. a substance that makes an object move
  2. 5. an object that can propel and stores own fuel
  3. 7. something that thrusts
  4. 8. a sudden push in one direction
  5. 10. where the pressure acts on the body
  6. 13. an object at rest stays at rest
  7. 14. major rocket developer in Germany
  8. 15. pull forcefully
  9. 16. not controlled or calm
  10. 17. the speed of something in one direction
Down
  1. 1. a force that acts upon something
  2. 3. impulse per unit
  3. 4. acceleration in a direction with net force
  4. 6. a non-turbulent flow
  5. 9. created the first liquid-fueled rocket
  6. 11. the takeoff with a rocket or helicopter
  7. 12. point where the body can act