Glycerine (specific weight $1260 kg/m^3$, dynamic viscosity $8.00\times {10}^{-2} kg-sec/m^2$) is spread freely to a thickness of 1 mm between a bottom stationary plate and a top moveable plate of $10 c{m}^2$ area. The top plate is to be moved at a uniform speed of 1 m/s. The fo