Forces in Fluids Review

Materials that can flow and take the shape of their containers include…

• Both gases & liquids

• Liquids

• Gases

• Neither gases nor liquid

In which direction is fluid pressure directed?

• Up

• Down

• Sideways

• In all directions

A helium-filled balloon will float in air because…

• There is more air than helium

• Helium is less dense than air

• Helium is as dense as air

• Helium is more dense than air

Which of the following would not affect the level at which a cargo ship floats in a body of water?

• The depth of the water

• The mass of the ship’s cargo

• The volume of the ship

• The density of the ship’s material

The principle that states that the buoyant force of an object in a fluid is an upward force equal to the weight of the volume of the displaced fluid.

• Bernoulli’s

• Archimedes’

• Hodder’s

• Nelson's

Fluid pressure increases as depth increases.

• True

• False

You can change density of an object by changing the object’s volume.

• True

• False

Fluids flow from areas of high pressure to areas of low pressure.

• True

• False

All fluids exert an upward force called buoyant force.

• True

• False

In order to calculate pressure exerted on a surface, what quantity is divided by surface area?

• altitude

• force

• mass

• volume