ASSIGNMENT 3 Textbook Assignment: "Principles of Flight," chapter 3, pages 3-1 through 3-7. 3-1. The study of the forces that enable an aircraft to fly is referred to by what term? 1. Thermodynamics 2. Aerodynamics 3. Hydrodynamics 4. General dynamics 3-2. Which of the following is a definition of mo- tion? 1. The act or process of changing place or position 2. The act or process of achieving inertia 3. The overcoming of force 4. The resistance to force 3-3. Which of the following terms refers to New- ton's first law of motion? 1. Force 2. Action and reaction 3. Inertia 4. Gravity 3-4. Thrust must overcome inertia before an aircraft can fly. This is an example of which of the following laws of motion? 1. Newton's first law 2. Newton's second law 3. Newton's third law 3-5. Newton's law of inertia applies to bodies that are affected in which of the following ways? 1. Those that are at rest only 2. Those moving in a straight line at a uniform speed only 3. Those at rest and moving at a uniform speed in a straight line 4. The willingness of an object to remain at rest or continue in motion 3-6. What law of motion is the "force" law? 1. Newton's first law 2. Newton's second law 3. Newton's third law 3-7. The fact that "for every action there is an equal and opposite reaction" is discussed in which of Newton's laws of motion? 1. First 2. Second 3. Third IN  ANSWERING  QUESTIONS  3-8  AND  3-9, REFER TO FIGURE 3-2(B) IN THE TEXT. 3-8. At what location is the area of least pressure? 1. To the left of the airfoil 2. To the right of the airfoil 3. Beneath the airfoil 4. Over the airfoil 3-9. At what location is the area of increased flow? 1. Over the airfoil 2. Under the airfoil 3. To the left of the airfoil 4. To the right of the airfoil 3-10. According to Bernoulli's principle, what happens to the speed and pressure of a fluid flowing through a tube when the fluid reaches a constriction? 1. The speed and pressure of the fluid in- creases 2. The speed and pressure of the fluid de- creases 3. The speed decreases and the pressure in- creases 4. The speed increases and the pressure de- creases 3-11. Which of the following components are clas- sified as airfoils? 1. The wings of an aircraft 2. The rotor blades of a helicopter 3. The propeller blades of a turboprop air- craft 4. All of the above 3-12. What is the front edge or surface of an airfoil? 1. Chamber 2. Chord line 3. Leading edge 4. Trailing edge 3-9