Question

A sphere of radius R moves with velocity u in an incompressible, non-viscous ideal fluid. Calculate the pressure distribution over the surface of the sphere. Do you think that a force is necessary to keep the sphere in uniform motion?​

Answer 1

Fluid as the sphere moves through it. If these accelerations are small enough, ... fluid pressure (normal force per unit area) and of viscous shear stress (tangential force per unit area). These values also come from Stokes’ solution for creeping flow around a sphere. For the shear stress

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