Gravitational potential

Points x and r, with r contained in the distributed mass (gray) and differential mass dm(r) located at the point r.

Illustration of a mass distribution (grey) with center of mass as the origin of vectors x and r and the point at which the potential is being computed at the tail of vector x.

In classical mechanics, the gravitational potential at a location is equal to the work (energy transferred) per unit mass that would be done by the force of gravity if an object were moved from its location in space to a fixed reference location. It is analogous to the electric potential with mass playing the role of charge. The reference location, where the potential is zero, is by convention infinitely far away from any mass, resulting in a negative potential at any finite distance.

单词	Gravity potential
释义	Gravity potential 英语百科 Gravitational potential In classical mechanics, the gravitational potential at a location is equal to the work (energy transferred) per unit mass that would be done by the force of gravity if an object were moved from its location in space to a fixed reference location. It is analogous to the electric potential with mass playing the role of charge. The reference location, where the potential is zero, is by convention infinitely far away from any mass, resulting in a negative potential at any finite distance.
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Gravity potential

Gravitational potential