Practice Preparation for Next Class - 19.6.2 | 19. Surface Forces and Stress Tensors | Fluid Mechanics - Vol 1
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19.6.2 - Preparation for Next Class

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define a stress tensor.

💡 Hint: Focus on the internal forces within materials.

Question 2

Easy

What are the two types of stresses in fluid mechanics?

💡 Hint: Think about how stresses behave relative to surfaces.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the term 'stress tensor' refer to?

  • A mathematical representation of external forces
  • A mathematical representation of internal forces
  • A type of pressure measurement

💡 Hint: Think about what happens inside materials.

Question 2

True or False: Shear stress acts perpendicular to the surface.

  • True
  • False

💡 Hint: Consider the direction of force relative to the surface.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A cylindrical tank is filled with water providing a gauge pressure of 50 kPa at the bottom. Assuming the tank’s surface area is 2 m², calculate the total force exerted by the water on the bottom surface.

💡 Hint: Recall the relationship between pressure, area, and force.

Question 2

Consider a control volume around a pipe with both inlet and outlet. If the fluid's velocity changes due to friction, describe how shear stress could be affecting the flow at different pipe sections.

💡 Hint: Reflect on how viscosity plays a role in friction.

Challenge and get performance evaluation