Changes

'''G''' is the universal gravitational constant:

'''G''' is the universal gravitational constant:

:<math> G = 6.67 \times 10^{-11} \ \mbox{N} \ \mbox{m}^2 \ \mbox{kg}^{-2} \ </math>

:<math> G = 6.67408(31) \times 10^{-11} \ \mbox{N} \ \mbox{m}^2 \ \mbox{kg}^{-2} \ </math>

It is used in {{hs|Isaac|Newton}}'s formula for the gravitational force between two objects, which is:  

It is used in {{hs|Isaac|Newton}}'s formula for the gravitational force between two objects, which is:  

::<math> {r} \ </math> is the distance between the two objects.

::<math> {r} \ </math> is the distance between the two objects.

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

<math>g</math> is the acceleration [[Earth]]'s gravitational field exerts on objects at [[Earth]]'s surface:  

:<math> g = 9.81 \ \mbox{m} \ \mbox{sec}^{-2}</math>

:<math> g = 9.81 \ \mbox{m} \ \mbox{sec}^{-2}</math>

[[Category:Physics]]

[[Category:Physics]]