2. In order for an airplane to remain in level, steady flight, what must happen to the four forces? 3. Describe the relationship between the total lift, vertical component of lift and weight during the following maneuvers:

Aircraft banks at a constant altitude

After take-off, the aircraft executes a climbing turn

Aircraft is in a descending turn to align with the runway

4. If the mass remains constant and the force changes, what happens to the acceleration of an object?

5. If the force remains constant and the mass changes, what happens to the acceleration of that object?

6. What effect does air have on the acceleration of aircraft during flight?