Froude number is the ratio of
(A) Shear stress to gravitational stress
(B) Drag stress to shear stress
(C) Inertial stress to shear stress
(D) Inertial stress to gravitational stress
(A) Shear stress to gravitational stress
(B) Drag stress to shear stress
(C) Inertial stress to shear stress
(D) Inertial stress to gravitational stress