Introduction to Fluids
Explore the fundamental concepts of fluids, including density, pressure, buoyancy, and their applications.
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Introduction to Fluids
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following is NOT a characteristic of a fluid?
Takes the shape of its container
Has a fixed shape
Can flow
Exerts pressure
2. What is the SI unit for pressure?
Newton
Kilogram
Pascal
Joule
3. The upward force exerted by a fluid that opposes the weight of an immersed object is called .
4. Archimedes' principle states that the buoyant force on a submerged object is equal to the of the fluid displaced by the object.
5. Liquids are generally more compressible than gases.
True
False
6. Atmospheric pressure decreases as altitude increases.
True
False
7. Briefly explain the difference between laminar flow and turbulent flow.
8. Describe how a hydraulic system works, referencing Pascal's Principle.
9. A block of wood has a volume of 0.002 m³ and a mass of 1.6 kg. Will it float or sink in water (density of water = 1000 kg/m³)? Show your calculations.