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# Friction

## The resistance that one surface or object encounters when moving over another.

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.
• Video

## Frictional Force - Overview

by CK-12 //basic

Overview

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• Video

## Frictional Force - Example 3

by CK-12 //basic

Determining the minimum force required to move an object in static equilibrium

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• Video

## Frictional Force - Example 4

by CK-12 //basic

Determining the force of kinetic friction by Newton's Second Law

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• Video

## Frictional Force - Example 1

by CK-12 //basic

Solving for static friction using the equation f[s] = μ[s ]F[N]

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• Video

## Frictional Force - Example 2

by CK-12 //basic

Solving for kinetic friction using the equation f[k] = μ[k] F[N]

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• Flashcards

## Friction Flashcards

by CK-12 //basic