http://www.pbs.org/wgbh/nova/space/lift-drag.html
Watch the following sides and answer the questions in the INTERACTIVE portion.
1. What are the four forces an object needs to balance to fly in a stable manner?
2. Explain each of the forces.
3. What is the Bournouilli effect?
4. How is Newton's Third Law of Motion at work with a wing? (provide illustration)
5. How does a surface influence drag?
6. Draw and describe the four airfoil design (Crop Duster, Fighter Jet, Light Aircraft, Aerobatic Plan).
7. Which design is made for fast planes? Which design is made for slower planes?
8. What are three things airfoils are used for?