Elements of the Theory of the Newtonian Potential Function

angle approximately attracting mass attracting matter attraction due axis centre charge closed surface component conductor conical surface constant coördinate axes cylinder D₂V direction distance distribution of matter divide drawn dx dy dz electricity elements empty space equal equipotential surfaces exterior normal Gauss's Theorem Green's Theorem homœoid inner surface inside integral of normal integral signs Laplace's Equation line of action line of force M₁ negative NEWTONIAN POTENTIAL P₁ parallel particle pdx'dy'dz perpendicular plane Poisson's Equation positive potential function due prisms prove quantity of matter radii region repelling matter resultant attraction resultant force Section smaller and smaller solid angle space coördinates sphere of radius spherical shell spherical surface surface density surface integral tion tricity triple integral tube of force unit mass V₁ V₂ vertex whence whole zero Απ