A thin plate is located between two fixed plates as shown in Figure P12.3. The gap is filled with fluid of viscosity µ = 0.055 kg/(m-s). What is the force needed to pull the plate at a steady velocity...

A thin plate is located between two fixed plates as shown in Figure P12.3. The gap is filled with fluid of viscosity µ = 0.055 kg/(m-s). What is the force needed to pull the plate at a steady velocity of 0.25 m/s if the size of the plate is 50 × 50 cm?