Oil flows steadily between parallel plates spaced 10 cm apart. The flow is laminar and fully developed. The top plate is fixed, but the bottom plate moves with a velocity of 0.10 m/s in the negative x direction. The pressure gradient is 20 Pa/m, and it is negative. Calculate the magnitude (in terms of Pa) and the direction of the shear stress on the top plate. You can take the viscosity of the water 0.240 Pa.s.