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4 cards from this section. Quick, good the night before a test.
Define a stress tensor.
Focus on the internal forces within materials.
What are the two types of stresses in fluid mechanics?
Think about how stresses behave relative to surfaces.
What does the term 'stress tensor' refer to?
Think about what happens inside materials.
True or False: Shear stress acts perpendicular to the surface.
Consider the direction of force relative to the surface.
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.
Recall the relationship between pressure, area, and force.
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.
Reflect on how viscosity plays a role in friction.
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