Identify the relationship between lift and drag.

Identification should include the following:

• The lift-to-drag (L/D) ratio is the amount of lift generated by a wing or airfoil compared to its drag.
• The use of an L/D chart to illustrate the relationship.

PLT017 and PLT303

Process/Skill Questions:

• How are lift and drag related?
• How does angle of attack affect lift and drag?
• How does airspeed affect lift and drag?