Fluids and Pressure Study Guide

Front

What is atmospheric pressure?

Back

The pressure exerted by the gas in Earth's atmosphere.

Front

What is the equation for density?

Back

Density = mass / volume.

Front

What principle describes a hydraulic system?

Back

Pascal's principle.

Front

What is the unit of pressure in the SI system?

Back

Pascal (Pa).

Front

What is buoyancy?

Back

The upward force exerted by a fluid on an object placed in it.

Front

What is the relationship between pressure and area?

Back

Pressure = Force / Area.

Front

What happens to pressure as depth increases in a fluid?

Back

Pressure increases with depth.

Front

What is the principle of Bernoulli's equation?

Back

In a flowing fluid, an increase in velocity occurs simultaneously with a decrease in pressure.

Front

What is the effect of temperature on the density of a fluid?

Back

As temperature increases, the density of a fluid generally decreases.

Front

What is a fluid?

Back

A substance that can flow and take the shape of its container, including liquids and gases.