Newton's Law of Universal Gravitation

Every particle in the Universe attracts every other with a force which is proportional to the product of their masses and inversely proportional to the square of their seperation.

The gravitational force of attraction between two bodies,

Where
F = gravitational force of attraction [N]
G = universal gravitational constant = 6.67x10-11Nm2kg-2
m1, m2 = mass of bodies [kg]
r = distance between bodies [m]

See also: Escape Velocity, Gravitational Constant, Gravitational Potential, Keplers Laws, Newton, Isaac, Standard Acceleration due to Gravity, Two Body Problem.

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Subjects: Physics