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# Types of Friction

## Introduction to static, sliding, rolling, and fluid friction.

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.

## 마찰의 종류

by Whakuk Lee //basic
The four types of friction and how they act on objects.
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## Types of Friction

by Christopher von Nagy //basic
The four types of friction and how they act on objects.
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## Types of Friction Section 3.8

by Jannine Tuttle //basic
The four types of friction and how they act on objects.
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## Types of Friction

by Michelle Gallivan //basic
The four types of friction and how they act on objects.
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• Real World Application

## Friction...It's a Real Drag

by Debra Dimas //basic
All four types of frictions are demonstrated through the simple act of riding a bike. Friction demystified! The students who created this were from Mrs. Dimas' Physics class at Santa Teresa High School in San Jose.
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• Real World Application

## Pits of Mystery and Friction

by Nolan Ream //basic
Mysterious depressions have been found in the Willamette Valley. This presentation explains how they were formed, how they were found, and what these holes in the ground have to do with friction.
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• Real World Application

## Found Friction

by Hemang Mehta //basic
What forces oppose you on a daily basis.
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• Real World Application

## Speeding Up by Falling Down

by Katie MacDonald //basic
Discover how to find the terminal velocity of a penny dropped from a skyscraper and whether the penny will be traveling fast enough by the time it reaches the ground to damage materials or harm people.
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• Flashcards

## Types of Friction

by Ellaine Chou //basic
These flashcards are here to help you better understand middle school physical science.
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