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The present study involves numerical experiments in the flow around a rotating cylinder. The computations have been performed in a computational domain that resembles actual laboratory conditions, the two dimensional Navier Stokes equations have been solved with Galerkin finite elements and results have been obtained for Reynolds numbers 001 10 and 100. The distribution of pressure and shear stress has been obtained for every computed case, so that the drag and lift exerted on the rotating cylinder can be calculated. It has been shown that lift is the dominant force with increasing Reynolds number which is compatible with potential theory