Properties of Fluids

Front

What is Archimedes' Principle?

Back

Archimedes' Principle states that the buoyant force acting on an object is equal to the weight of the fluid displaced by the object.

Front

What does Pascal's Principle state?

Back

Pascal's Principle states that an increase in pressure on a confined fluid is transmitted equally to all parts of the fluid.

Front

What is Bernoulli's Principle?

Back

Bernoulli's Principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or potential energy of the fluid.

Front

What is the definition of buoyant force?

Back

Buoyant force is the upward force exerted by a fluid on an object that is submerged or floating in it.

Front

How does the density of an object affect its buoyancy?

Back

An object will float if its density is less than the density of the fluid it is in; it will sink if its density is greater.

Front

What is the relationship between pressure and depth in a fluid?

Back

Pressure in a fluid increases with depth due to the weight of the fluid above.

Front

What is the formula for calculating pressure in a fluid?

Back

Pressure (P) = Force (F) / Area (A) or P = ρgh, where ρ is the fluid density, g is acceleration due to gravity, and h is the height of the fluid.

Front

What is a hydraulic press and how does it work?

Back

A hydraulic press uses Pascal's Principle to amplify force; a small force applied to a small area can create a larger force on a larger area.

Front

What is the significance of fluid viscosity?

Back

Viscosity is a measure of a fluid's resistance to flow; higher viscosity means the fluid flows more slowly.

Front

What is the continuity equation in fluid dynamics?

Back

The continuity equation states that the mass flow rate must remain constant from one cross-section of a pipe to another.