From Cerruti’s solution to the problem of the plane and Cattaneo’s traction distributions, instantaneous and secant flexibilities are derived for an elliptical contact area which includes a region of slip. The results apply to force histories where the tangential component is constantly directed. Some of the results differ from those reported by Mindlin and Deresiewicz [4]. Ellipticity affects normal and tangential flexibilities differently but is independent of the extent of slip.

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