# Tag Info

## About angular-momentum

The conserved quantity arising from a rotational invariance. Combine with rotational-dynamics for the classical mechanics approach and quantum-mechanics for the QM interpretation

## When to Use this Tag

refers to all situations where a quantity is conserved due to rotational invariance. This may occur both in (esp. ) as well as in . Usually, you should combine with another tag referring to the framework in which you work.