Question: 9. A space 25 mm wide between two large horizontal plane surfaces is filled with glycerine What force is required to drag a very

9. A space 25 mm wide between two large horizontal plane surfaces

9. A space 25 mm wide between two large horizontal plane surfaces is filled with glycerine What force is required to drag a very thin plate 0.75 m in area between the surfaces at speed of 0.5 m/s, (i) If this plate remains equidistant from the two surfaces, and (ii) If it is at a distance 10 mm from one of the surface? Take dynamic viscosity, =7.85 poise

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