Law of Intertia Newton’s First Law Mass is a measure of inertia

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Presentation transcript:

Law of Intertia Newton’s First Law Mass is a measure of inertia Inertia is a measure of an object’s resistance to change in motion. An object at rest tends to stay at rest An object in motion tends to stay in motion An object’s motion is only changed if an external force acts on it Mass is a measure of inertia Inertia can be better formalized as a resistance to change in motion More mass  more inertia (more resistance to change in motion)

Conditions…

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