What is virial theorem
The virial theorem is a relation that connects the average kinetic energy of a system of particles with the forces acting in it. The virial G for the set of N point particles in mechanics is defined as:
,
where and are the spatial vectors of momentum coordinates and coordinates for the k-th particle. For a stable system bound by potential forces, the virial theorem is
where is the average total kinetic energy; is the force acting on the k-th particle.
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