21: Central Forces and Equivalent Potential
( \newcommand{\kernel}{\mathrm{null}\,}\)
Thumbnail: Gravitational field lines around the Earth are an example of a central force. (Public Domain; Sjlegg).
( \newcommand{\kernel}{\mathrm{null}\,}\)
Thumbnail: Gravitational field lines around the Earth are an example of a central force. (Public Domain; Sjlegg).