lift

#1. To maintain altitude, what must be done as Indicated Air Speed (IAS) is reduced:

#2. If more lift force is required because of greater operating weight, what must be done to fly at the angle of attack which corresponds to CLMAX:

#3. Which of the following statements is correct:

1. To generate a constant lift force, any adjustment in IAS must be accompanied by a change in angle of attack.

2)For a constant lift force, each IAS requires a specific angle of attack.

3. Minimum IAS is determined by CLMAX.

4)The greater the operating weight, the higher the minimum IAS.