This video demonstrates the no-slip condition: A viscous fluid "sticks" at a solid surface and has the same tangential velocity of the surface.
This video has been adapted from the supplemental video materials of the textbook:
Young, D.F., Munson, B.R., Okiishi, T.H., and Huebsch, W.W., A Brief Introduction to Fluid Mechanics, 4th Edition, Wiley & Sons, 2007.
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