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Unformatted text preview: Modeling clay and silly putty show fluid behavior when sheared slowly. However, they fracture under suddenly applied stress, which is a characteristic of solids. Toothpaste behaves as a solid when at rest in the tube. When the tube is squeezed hard, toothpaste flows out the spout, showing fluid behavior. Shaving cream behaves similarly. Sand acts solid when in repose (a sand pile). However, it flows from a spout or down a steep incline....
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- Fall '07
- Fluid Mechanics