Which type of drag does arise from the resolved components of the tangential stresses on the surface of the body, when viscous fluid flows along the surface?
A. Trailing vortex drag
B. Wave drag
C. Surface friction drag
D. Boundary layer normal-pressure drag
Answer:C
Which type of drag does arise from the resolved components of the tangential stresses on the surface of the body, when viscous fluid flows along the surface?
A. Trailing vortex drag B. Wave drag C. Surface friction drag D. Boundary layer normal-pressure drag