# Virial theorem

The **virial theorem** is a feature of systems with central forces.

where is the kinetic energy. The overlines represent time averages. The right hand side is known as the virial of Clausius (Ref. 2).

## Interesting reading

## References

- Section 3.4 of
**Classical Mechanics**by Herbert Goldstein 2nd Edition (1980) Addison Wesley - R. Clausius, " " Philosophical Magazine
**40**pp. 122- (1870)