A space 2.5cm wide between two largeplane surfaces is filled with oil. Force Req’d to drag a very th

A space 2.5cm wide between two largeplane surfaces is filled with oil. Force Req’d to drag a very thin plate of area 0.5m2  just midway the surfaces at a speed of 0.5m/s is 1N. Find the cooficient of viscocity in kg-sec/m2 .