# Pressure in Fluids

## The amount of force acting on a given area. Pressure = Force/Area

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Real World Application

## What a Drag!

by CK-12 //basic
Find out why water creates a type of friction called drag and how a swimmer can reduce drag to swim faster.
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1
• Real World Application

## Pop Rock Explosion

by CK-12 //basic
Find out why pop rock candy pops and fizzes in your mouth.
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9
• Real World Application

## Pressure Flush

by CK-12 //basic
Learn how air pressure--instead of water and gravity--is used to flush the toilet on an airplane and where the waste goes after it leaves the toilet.
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0
• Real World Application

## Shot from a Cannon

by CK-12 //basic
Find out how puffed breakfast cereals are made and why they "snap, crackle, and pop" in milk.
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1
• Real World Application

## Breathing Muscles

by CK-12 //basic
Find out how muscles and Boyle's law explain how we move air into and out of our lungs.
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0
• Real World Application

## Pump It Up

by CK-12 //basic
Learn how pressure inside bike tires is related to temperature and how to keep your bike tires at a safe pressure.
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1
• Real World Application

## What Would Newton Say?

by CK-12 //basic
Learn about strange fluids such as oobleck that do not follow Newton's laws and why their unusual properties might be useful.
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9
• Real World Application

## Jack It Up

by CK-12 //basic
Find out how to use a hydraulic car jack and how Pascal's law explains how it works.
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0