Air and Fluid Pressure

The measure of how much force is acting on a given area

• pressure

• pascal

• atmospheric pressure

• fluid

An upward force that fluids exert on all matter

• buoyancy force

• buoyant force

• atmospheric pressure

• pressure

The force of ________ causes atmospheric pressure by pulling down on the air.

• the sun

• gravity

• buoyancy

• the equator

Density is related to ____ and ______.

• mass, volume

• gravity, buoyant force

• volume, weight

• sinking, floating

The pressure caused by the weight of the atmosphere is called...

• gravity

• buoyant force

• pressure

• atmospheric pressure

An object exerts 360 N of force on a surface that has an area of 8.0m². How much pressure does the object exert?

• 5.625 Pa

• 45 Pa

• 70 Pa

• 45 N

What are two things you need to know to calculate pressure? (There are two answers)

• mass of the object

• gravity

• force

• area over which force is applied

• velocity

Which of the following are the SI unit for pressure (more than 1 answer)

• N/m2

• Pa

• Pascal

• Newton

Ice floats in water because

• it is smaller

• it is less dense than water

• it is more dense that water

• everything floats in water

The pressure exerted by a force of 35 N over an area of 5 cm2?

• 40 Pa

• 7 Pa

• 30 Pa

• 175 Pa