Chapter two

2. These wing devices increase lift and drag during takeoff or landing.
4. A pulling force on an aircraft structure is called ______.
6. These provide the lift necessary for an airplane to fly.
7. The components that support the airplane on the ground are collectively known as the ______.
8. An engine that combines a turbine and a propeller is called a ______ engine.
9. Modern aircraft materials like carbon fiber are collectively referred to as ______ materials.
13. A pushing force on an aircraft structure is called ______.
16. Aircraft skins are typically attached to frames using ______.
17. The cross-sectional shape of a wing or blade is called an ______.
22. Longitudinal supports within the fuselage are called ______.
23. Movable surfaces on the wings that control roll are called ______.
26. The upward angle of an aircraft’s wings is called ______.
27. The downward angle of an aircraft’s wings is called ______.
28. The vertical control surface on the empennage is the ______.

1. The area where the pilot controls the airplane is called the ______.
2. Movable surfaces that control an aircraft’s attitude are called ______.
3. The main body of an airplane is called the ______.
5. A twisting force on an aircraft structure is called ______.
9. The removable covering over the engine is called the ______.
10. A type of aircraft structure where the skin supports most of the load is called ______.
11. A type of aircraft structure made of beams and struts is called a ______ frame.
12. The structural parts of an aircraft without the engine are collectively referred to as the ______.
14. A single-piece horizontal tail surface that pivots up and down is called a ______.
15. A device that provides thrust for the airplane is the ______.
18. The tail section of an aircraft is called the ______.
19. The streamlined cover over the hub of a propeller is the ______.
20. A force that causes parts of an aircraft to slide past each other is called ______ stress.
21. The main structural component of a wing is the ______.
24. The forces acting on an aircraft’s structure are referred to as ______ loads.
25. Movable control surfaces like ailerons and rudders are attached with a ______.