1
GATE CE 1996
MCQ (Single Correct Answer)
+2
-0.6
A liquid of density $$\mathrm\rho$$ and dynamic viscosity $$\mathrm\mu$$ flows steadily down an inclined plane in a thin sheet of constant thickness t. Neglecting air friction the shear stress on the bottom surface due to the liquid flow is (where θ is the angle, the plane makes with horizontal)
A
$$\mathrm\rho\;\mathrm g\;\mathrm t\;\sin\left(\mathrm\theta\right)$$
B
$$\mathrm\rho\;\mathrm g\;\mathrm t\;\cos\left(\mathrm\theta\right)$$
C
$$\mathrm\mu\sqrt{\mathrm g/\mathrm t}$$
D
$$\mathrm{ρg}$$
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