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# Newton's First Law

## An object at rest will remain at rest and an object in motion will remain in motion unless acted on by an unbalanced force.

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.

## 뉴턴의 제1법칙

by Whakuk Lee //at grade
뉴턴의 제1운동법칙과 그 응용
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## Newton's First Law

by Kelly Sanborn //at grade
Newton's first law of motion and how it applies in skateboarding.
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## Newton's First Law

by Brandon White //at grade
Newton's first law of motion and how it applies in skateboarding.
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## Newton's First Law

by Jonathan wheeler //at grade
Newton's first law of motion and how it applies in skateboarding.
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## Newton's First Law

by Mitsi Nessa //at grade
Newton's first law of motion and how it applies in skateboarding.
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## Newton's First Law

by Rheannin Becke //at grade
Newton's first law of motion and how it applies in skateboarding.
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## Newton's First Law SG

by Sheryl Goldberg //at grade
Newton's first law of motion and how it applies in skateboarding.
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• Video

## Professor Mac Explains Newton's First Law of Motion

by Mark Holmstrom //at grade
An animation explaining Newton's First Law of Motion and illustrating an example experiement. Video courtesy of learnwithmac.
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