Forces in Fluids Review

The upward force that fluids exert on all matter.

• Pascal

• Fluid

• Atmospheric

• Buoyant

Buoyant force is caused by differences in fluid pressure.

• True

• False

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

An object displaces a volume of fluid that…

• Is equal to its own volume

• Is less than its own volume

• Is greater than its own volume

• Is more dense than itself

An object weighing 30 N displaces a volume of water with a weight 20 N. What will the object do?

• It will sink

• It will float

• It will fly

• None of these answers

Tags

NGSS.MS-PS2-2

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

If an object weighing 20 N displaces a volume of water with a weight 15 N, what is the buoyant force on the object?

• 5N

• 15N

• 25N

• 35N

If an object weighing 75 N displaces a volume of water with a weight 40 N, what is the buoyant force on the object?

• 35N

• 40N

• 75N

• 115N