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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.
• Real World Application

## Football Physics

by CK-12 //basic
Learn about Newton's first law of motion and how it applies to football.
MEMORY METER
This indicates how strong in your memory this concept is
21
• Real World Application

## Ouch!

by CK-12 //basic
Learn about Newton's third law of motion and how it applies to football.
MEMORY METER
This indicates how strong in your memory this concept is
5
• Real World Application

## Tug of War

by CK-12 //basic
Learn what forces are involved in the game of tug of war and how the game illustrates Newton's first law of motion.
MEMORY METER
This indicates how strong in your memory this concept is
5