Aerodynamic Quiz

- Name the Aerodynamic force(s).

- thrust
- drag
- b and e
- weight
- lift

- What thing(s) must be present in order for lift and drag forces to take place?

- a fluid
- motion
- Liftodrago Wind
- a and b
- none of the above

- In what direction does lift take place?

- in the direction of the motion of an object
- in the opposite direction of the motion of an object
- lift has no particular direction
- perpendicular to the motion
- none of the above

- In what direction does drag take place?

- in the direction of the motion of an object
- in the opposite direction of the motion of an object
- drag has no particular direction
- a and b
- none of the above

- Name the type(s) of drag.

- friction drag
- form drag
- induced drag
- a, b, and c
- none of the above

- What force(s) keeps a space shuttle in space?

- lift
- drag
- aliens
- a and b
- none of the above

- What possible reference area(s) can be used to compute drag?

- total surface area of body
- frontal area of body
- wing area
- surface area of engines
- all of the above except d

- If the lift to drag ratio is to be computed, which reference area(s) should be used?

- total surface area of body
- frontal area of body
- wing area
- surface area of engines
- all of the above except d

- What affects lift and drag coefficients?

- speed
- shape of object
- inclination
- altitude
- all of the above

- If you are an airplane pilot and you realized that you needed more lift force to keep your plane in the air, what should you do?

- be brave and jump out of the plane
- keep going at the same speed
- increase the plane’s speed
- lower the plane’s speed
- call 911