College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

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Here are two common demonstrations of Bernoulli effects: (a) If you hold a narrow strip of paper in front of your mouth and blow over the top surface, the strip will rise (Fig. a). (Try it.) Why (b) Aplastic egg is supported vertically by a stream of air from a tube (Fig. b). The egg will not move away from the midstream position. Why not

FIGURE Bernoulli effects See Conceptual Question.