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# Work

## There are three key ingredients to work - force, displacement, and cause.

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.
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## Work - Overview

by CK-12 //basic
Overview
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• Video

## The Work-Energy Theorem - Overview

by CK-12 //basic
Overview
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## Work - Example 1

by CK-12 //basic
Solving for the work using the equation W = Fd cosÎ¸
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## The Work-Energy Theorem - Example 1

by CK-12 //basic
Solving for the total work done on an object using the formula W = âKE
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## The Work-Energy Theorem - Example 2

by CK-12 //basic
Solving for distance orforce from the total work done on an object using W = Fd and W = âKE
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