Solution: Two plates are separated by an oil film .01 mm thick. Oil viscosity is .1 N-sec/m^2. the upper plate is moving at 100 mm/s. The oil flow between the plates is laminar with a linear velocity profile. What is the shear stress at the surface of the lower plate?

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Two plates are separated by an oil film .01 mm thick. Oil viscosity is .1 N-sec/m^2. the upper plate is moving at 100 mm/s. The oil flow between the plates is laminar with a linear velocity profile. What is the shear stress at the surface of the lower plate?