Fluid Mechanics

Fluid pressure is not affected by the

• depth in the fluid.

• mass of the fluid’s particles.

• density of the fluid.

• volume of the fluid.

As you decrease the area on which a given force acts, the pressure exerted

• increases

• decreases.

• does not change.

• may or may not change.

Fluid pressure is generally exerted _______ within a fluid.

• in one direction

• in all directions

• up and down

• left and right

Fluid mechanics is the study of _____ (Select all that apply)

• how fluids flow.

• the types of fluids.

• how fluids transmit forces.

• classifying fluids.

The SI unit of pressure is the

• joule (J).

• millibar (mb).

• pascal (Pa).

• newton (N).

Objects immersed in water seem to ___

• weigh more than they do in air.

• weigh less than they do in air.

• weigh the same as they do in air.

• have inconsequential weight.

Which of the following are derived units of pressure?

• m/s²

• N/m²

• J/kg•°C

• kg•m/s²

Two differently shaped containers of water have the same pressure at the same depth.

• True

• False

A ______ a substance that is not rigid and can flow and that includes both liquids and gases.

Tags

NGSS.MS-PS1-4

What is the principle that describes the upward force experienced by an object submerged in a fluid?

• Archimedes' Principle

• Pascal's Principle

• Bernoulli's Principle

• Newton's Third Law