Practice Forces Acting On Control Volume (18.7.2) - Fluid - Fluid Mechanics

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9 questions

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6 sample questions

Question 1.
What is the primary body force acting on fluids?
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Think about what pulls objects towards the Earth.
Question 2.
Define pressure force.
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Remember the effect of pressure on a surface.
3Question 3.
What type of force is gravity classified as?
- Surface Force
- Body Force
- Viscous Force
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Think of which force acts on the entire volume.
4Question 4.
True or False: Surface forces include pressure and viscous forces.
- True
- False
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Remember the forces that apply at the surfaces.
Question 5.
Calculate the net force acting on a control volume with a particular density of 850 kg/m³ in a uniform gravitational field and having a volume of 3 m³.
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Use the formula for body force affecting the control volume.
Question 6.
Discuss how the changing cross-sectional area of a pipe influences both surface and body forces on the fluid.
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Consider conservation principles in fluid dynamics.

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