Solved: In a store-window vacuum cleaner display, a

Chapter 12, Problem 26DQ

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QUESTION:

Problem 26D

In a store-window vacuum cleaner display, a table-tennis ball is suspended in midair in a jet of air blown from the outlet hose of a tank-type vacuum cleaner. The ball bounces around a little but always moves back toward the center of the jet, even if the jet is tilted from the vertical. How does this behavior illustrate Bernoulli’s equation?

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QUESTION:

Problem 26D

In a store-window vacuum cleaner display, a table-tennis ball is suspended in midair in a jet of air blown from the outlet hose of a tank-type vacuum cleaner. The ball bounces around a little but always moves back toward the center of the jet, even if the jet is tilted from the vertical. How does this behavior illustrate Bernoulli’s equation?

ANSWER:

Solution to 26D

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Bernoulli's equation is considered as the conservation of energy principle applied under the scenario of fluids. According to Bernoulli's equation, as the fluid velocity becomes larger, the fluid pressure will decrease.

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