Fluid Mechanics Fundamentals

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Which of the following best describes the term 'fluid'?

A solid material that can be easily molded

A substance that can flow and take the shape of its container (correct)

A substance that cannot be compressed or change shape

A liquid or gas that has a fixed volume

What is the primary factor that affects the viscosity of a fluid?

Temperature (correct)

Pressure

Density

Volume

According to Pascal's Law, what happens when pressure is applied to a confined fluid?

The pressure is transmitted equally in all directions (correct)

The fluid becomes more viscous

The fluid changes its state from liquid to gas

The fluid becomes less dense

What is the relationship between the density of an object and its ability to float or sink in a fluid?

The density of the object relative to the fluid determines whether it will float or sink Signup and view all the answers

What happens to the volume of a gas when pressure is applied to it?

The volume decreases Signup and view all the answers

Which of the following statements best describes the relationship between temperature and the density of a substance?

The effect of temperature on density depends on the state of the substance Signup and view all the answers

What is the primary factor that determines the flow rate of a fluid?

Viscosity Signup and view all the answers

According to Archimedes' Principle, what are the three cases of buoyancy?

Floating, sinking, and neutrally buoyant Signup and view all the answers

Explain how the properties of fluids are used in various technologies.

Fluid properties like viscosity and density are crucial in designing technologies like hydraulic systems and submarines. Signup and view all the answers

Describe what occurs when liquids and gases are compressed.

When liquids and gases are compressed, their volume decreases while pressure and density increase. Signup and view all the answers

Compare the viscosities of different fluids and explain the significance of viscosity.

Viscosity is a measure of a fluid's resistance to flow; honey has higher viscosity than water. Signup and view all the answers

Explain how changes in temperature affect the density of an object using The Particle Theory.

As temperature increases, particles in the object move faster, causing them to spread out and decrease density. Signup and view all the answers

Describe the three cases of buoyancy as per Archimedes' Principle.

Buoyancy explains why objects sink, float, or remain suspended in a fluid based on their density. Signup and view all the answers

Explain how buoyancy impacts daily life, providing an example.

Buoyancy determines whether objects like boats float or sink, influencing water transport and recreation. Signup and view all the answers

Apply Pascal's Law to explain what happens when pressure is applied to a confined fluid.

When pressure is applied to a confined fluid, it is transmitted equally in all directions, allowing for hydraulic systems to function. Signup and view all the answers

Apply the Particle Theory to explain differences in fluid flow rates.

Fluid flow rates vary based on particle arrangement and interactions; gases flow faster than liquids due to less intermolecular forces. Signup and view all the answers

Fluid Mechanics Fundamentals

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