Aerospace Pre-Holiday Break Unit #3 Review

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Across
  1. 2. a push or a pull
  2. 3. viewed from the side, this is the shape of a propeller blade
  3. 4. this kind of drag is caused by the shape of the aircraft moving through the air
  4. 7. the curve of the airfoil shape of the wing relative to the direction that the plane is moving
  5. 8. for every force there is a force of _______ magnitude working in the opposite direction (Newton's 3rd Law)
  6. 10. an aircraft's thrust is created by either a propellor or a _____ _________
  7. 13. force of flight that works against gravity
  8. 14. when forces are balanced the motion of the object does not _________
  9. 19. an object's speed and direction will ____ change unless acted on by an unbalanced force (Newton's 1st Law)
  10. 20. a value with magnitude (size) and direction
  11. 22. equal forces do not me equal __________
  12. 23. when the force of thrust is less than drag, the aircraft's __________ decreases
  13. 24. limiting the amount of _______ helps the plane's lift
Down
  1. 1. an object will _________ when acted upon by an unbalanced force (Newton's 2nd Law)
  2. 5. this kind of drag can be decreased by smoother surfaces on the aircraft
  3. 6. lift is increased when a plane is moving _______
  4. 9. the angle at which the wing meets the airflow is called the ______ ___ _________
  5. 11. when a jet engine pushes a high energy exhaust stream _________, the plane is moved forward
  6. 12. forces are __________ when the sum of the forces equals zero
  7. 15. when the force of lift is greater than the force of gravity, the aircraft's _________ increases
  8. 16. forces are ___________ when the sum of the forces does not equal zero
  9. 17. this kind of drag is caused by airflow across one surface mixing with airflow across another
  10. 18. when drag equals ___________, the aircraft moves at the same speed
  11. 21. another word for "air resistance"