Consider a laminar one-dimensional flow between parallel plates separated by a distance . The fluid flows between an upper parallel plate moving in the x direction relative to a stationary lower...

Consider a laminar one-dimensional flow between parallel plates separated by a distance . The fluid flows between an upper parallel plate moving in the x direction relative to a stationary lower plate. Determine the coefficient of friction on the plate, which is the force required for driving the plate, if the motion is sufficiently slow such that the flow is laminar and the temperature and density are constant.