Example:$($Couette Flow$)$: Two plates are separated by a $3\mathrm{.}175$ cm space. The bottom plate is

stationary; the upper plate moves at a velocity of $7\mathrm{.}62\frac{m}{s}.$ Oil $($SAE $10W-30),$ at $333K,$ fills

the space between the plates, The velocity distribution of the oil is linear. Assuming that SAE

is a Newtonian fluid flowing under no$-$slip conditions, what is the shear stress in the oil?

The viscosity of SAE $10$W$-30$ motor oil at $372K$ is $0\mathrm{.}011$

$N.\frac{s}{m^2}$