Gravitational Potential

The worrk done in bringing a unit mass from infinity to that point. The assumption being that the gravitational potential is zero at infinity.

Gravitational potential,

Where
U = gravitational potential [Jkg-1]
G = universal gravitational constant = 6.67x10-11Nm2kg-2
m = mass of body [kg]
r = distance from body [m]

See also: Escape Velocity, Newton′s Law of Universal Gravitation.

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Subjects: Physics