4.1.3 - Angular Deformations
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Practice Questions
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What is shear stress?
💡 Hint: Think about how forces act on surfaces.
Define viscosity in simple terms.
💡 Hint: Consider how jelly behaves in comparison to water.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What describes angular deformation in fluid mechanics?
💡 Hint: Consider how a fluid changes shape under stress applied.
True or False: Viscosity decreases with increasing temperature in liquids.
💡 Hint: Think about how heat affects the flow of a liquid.
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Challenge Problems
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A fluid between parallel plates experiences a velocity gradient of 5 m/s over a distance of 0.1 m. Calculate the shear stress if the viscosity of the fluid is 0.8 Pa.s.
💡 Hint: Make sure to use the right units for viscosity and gradient!
Explain the difference in viscosity behavior when temperature is increased for water (liquid) and air (gas).
💡 Hint: Think about how heat influences both types of fluids distinctly.
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