21. A body falling in a relatively dense fluid, oil for example, is acted on by three forces (see Figure 2.3.5): a resistive force R, a buoyant force B, and its weight w due to gravity. The buoyant force is equal to the weight of the fluid displaced by the object. For a slowly moving spherical body of radius a, the resistive force is given by Stokes's law, R 6π μalvl, where v is the velocity of the body, and u is the coefficient of viscosity of the surrounding fluid.7 =
21. A body falling in a relatively dense fluid, oil for example, is acted on by three forces (see Figure 2.3.5): a resistive force R, a buoyant force B, and its weight w due to gravity. The buoyant force is equal to the weight of the fluid displaced by the object. For a slowly moving spherical body of radius a, the resistive force is given by Stokes's law, R 6π μalvl, where v is the velocity of the body, and u is the coefficient of viscosity of the surrounding fluid.7 =
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter9: Solids And Fluids
Section: Chapter Questions
Problem 36P: A man of mass m = 70.0 kg and having a density of = 1 050 kg/m3 (while holding his breath) is...
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