Q.7. Consider an incompressible laminar boundary layer flow over a flat plate of length L, aligned with the direction of an oncoming uniform free stream. If F is the ratio of the drag force on the front half of the plate to the drag force on the rear half, then
(A) F < 1 / 2
(B) F = 1 2
(C) F = 1
(D) F > 1
Answer: (D)
Explanation:
