Gravitational constant

G is the universal gravitational constant:

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle G = 6.67 \times 10^{-11} \ \mbox{N} \ \mbox{m}^2 \ \mbox{kg}^{-2} \ }

It is used in Newton's formula for the gravitational force between two objects, which is:

$F=G{\frac {m_{1}m_{2}}{r^{2}}}$

where

${F}\$ is the force between the two objects

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle {m_1},{m_2} \ } are the masses of each object

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle {r} \ } is the distance between the two objects.

g is the acceleration Earth's gravitational field exerts on objects at Earth's surface:

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle g = 9.81 \ \mbox{m} \ \mbox{sec}^{-2}}