The drag on a blunt object is due primarily to:
A) The relatively high pressure on the front of the object
B) The wake region
C) The shear stress acting on the front and rear of the object
D) The separated region

Question

Quizplus · Accepted Answer

The separated region Even on a streamlined object, there is a relatively high pressure on the front. The wake does not exist except downstream of an object so it doesn't account for the drag.
It is the existence of a separated region in which a relatively low pressure combined with the relatively high pressure over the front that results in the drag.

The Drag on a Blunt Object Is Due Primarily To