Across
- 4. control surfaces hinged at the back of the wings
- 5. the pressure in the atmosphere
- 6. a push or pull on an object
- 7. force toward the core of the Earth
- 8. part of the airplane shaped like an airfoil
- 11. resistance of air against anything that moves through it
- 12. an object shaped to make air flow smoothly around it
- 14. an upward force caused by the rush of air over the wings
Down
- 1. an airfoil which an engine turns to provide the thrust
- 2. control surfaces hinged to the horizontal stabilizer
- 3. moving air
- 4. the study of forces such as weight, lift, drag and thrust
- 9. control surface hinged to the back of the vertical fins
- 10. downward force that gravity exerts
- 13. forward motion in flight