Eli5: Angular momentum, how does it work?

Question

Eli5: Angular momentum, how does it work?

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Answer 1

It’s a lot like regular momentum but for rotating objects, linear momentum gives you a measure for how hard it would be to stop something from moving. Similarly angular momentum gives you a measure for how hard it would be to stop a rotating object from moving.

But because in rotating object not only the mass matters but also how far away that mass is from the centre of rotation the angular momentum uses the moment of inertia instead of simply the mass of the object.

Angular momentum also uses angular velocity instead of the regular velocity.