DECATUR, Ill. (WAND) - Not too many of us like Mondays; even fewer like Physics. So, why not combine the two?!

Today, let's discuss the conservation of angular momentum. What is that?!!!

Well, have you even seen a figure skater spin rapidly, then slow down, then spin back up again? This is called angular momentum. It applies to rotational motion and depends on how mass is distributed around an axis of rotation.

For instance, o nce a skater leaps into the air, they’re stuck with however much angular momentum they’ve created. But a skater can change one thing: the moment of inertia . Moment of inertia determines how easy it is for an object to speed up or slow down, and describes the resistance that a force is working against.

We know from scientists, such as Descartes, N

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