Drag

Question 1

Drag

Answer 1

Opposes the forward acting component of thrust

Question 2

Parasite drag

Answer 2

Caused by any surface that deflects the smooth airflow around the airplane and their are three forms of it

Question 3

Form Drag

Answer 3

Results from the turbulent wake caused by the separating of airflow from the surface of a structure

Question 4

Interference drag

Answer 4

Occurs when airflow around one part of the airplane interacts with the airflow around an adjacent part.

Question 5

Skin friction drag

Answer 5

Caused by the roughness of the airplanes surfaces.

Question 6

Induced drag

Answer 6

Generated by the airflow circulation around the wing as it creates lift.