Newtonian gravitational potential (source code)

= Newtonian gravitational potential
{c}
{title2=$\Phi$}
{wiki=Gravitational_potential}

The Newtonian gravitational potential is the potential energy per unit test mass. Outside a spherical mass $M$ it is $\Phi(r)=-GM/r$ after choosing zero at infinity, and the gravitational acceleration is $-\nabla\Phi$.

= Gravitational potential
{synonym}