Two horizontal plates are placed 2 cm apart, the space between them being filled with oil of viscosity 1.6 Ns/m2 The bottom plate is stationary. What is the shear stress in oil if the upper plate is moved with a velocity of 2 m/s?
1
160 N/m2
2
150 N/m2
3
140 N/m2
4
130 N/m2