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Conservation of Angular Momentum
Angular momentum is a vector, often denoted by L.
![](gif/hp2eq902.gif) |
or |
![](gif/hp1eqn07.gif) |
Conservation of Angular Momentum:
The angular momentum (
) of a system will remain constant unless the system is acted upon by an external force (torque).
L = constant
If you know
of a system at any time, you know that it has the same value at all other times.
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