An object continues to do whatever it is doing. If it is moving, it continues to move. If it is at rest, it remains at rest (unless acted on by a force of some kind). We call this quality of matter INERTIA. Inertia is most closly related to our concept of mass.

Click the button below to see a demonstration of inertia that you can do at home.

Air Track
Downhill Race
Lunar Lander


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