| conservation of angular momentum | has conserved quantity angular momentum |  |
| has definition The principle that the angular momentum of a system (the momentum of rotation about a point) remains the same as long as no external torque acts. |  |
| has definition The total angular momentum of an isolated dynamical system does not change during the course of its evolution. |  |
| is a kind of conservation law |  |
| law | has discoverer |  |
| theory | has validity correct or incorrect with caveats |  |
| has author or reasearch group |  |
| has domain a field of research |  |
| has date or a range of dates for which the theory was active |  |