Fluid: Pressure, Pascal

Front

What is the definition of pressure in fluids?

Back

Pressure is defined as the force exerted per unit area on a surface, typically measured in Pascals (Pa).

Front

What is Pascal's Principle?

Back

Pascal's Principle states that when pressure is applied to a confined fluid, the pressure change occurs throughout the entire fluid without loss.

Front

What happens to water pressure as depth increases?

Back

Water pressure increases as depth increases due to the weight of the water above.

Front

What are the two main types of fluids?

Back

The two main types of fluids are liquids and gases.

Front

What is the unit of pressure?

Back

The unit of pressure is Pascal (Pa).

Front

How does pressure in a fluid at rest behave?

Back

In a fluid at rest, pressure is exerted equally in all directions at a given depth.

Front

What is the relationship between force, area, and pressure?

Back

Pressure (P) is calculated as Force (F) divided by Area (A): P = F/A.

Front

What is hydrostatic pressure?

Back

Hydrostatic pressure is the pressure exerted by a fluid at equilibrium due to the force of gravity.

Front

What is the significance of the Pascal's law in hydraulic systems?

Back

Pascal's law allows hydraulic systems to multiply force, enabling heavy loads to be lifted with less effort.

Front

What is the formula for calculating pressure in a fluid column?

Back

Pressure (P) = density (ρ) × gravitational acceleration (g) × height (h): P = ρgh.