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Line 1: − "G" is the universal gravitational constant: 6.67x10-11 N<sup>2</sup>/kg<sup>2</sup>. It is used in Newton's formula for the gravitational force between two objects, which is: + − "g" is the acceleration Earth's gravitational field exerts on objects at Earth's surface: 9.81 m/sec<sup>2</sup>.+ + + + + + + + + + + + + + + + +
cleaned up math stuff
'''G''' is the universal gravitational constant:
:<math> G = 6.67 \times 10^{-11} \ \mbox{N} \ \mbox{m}^2 \ \mbox{kg}^{-2} \ </math>
It is used in Newton's formula for the gravitational force between two objects, which is:
:<math> F = G \frac{m_1 m_2}{r^2} </math>
:where
::<math> {F} \ </math> is the force between the two objects
::<math> {m_1},{m_2} \ </math> are the masses of each object
::<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 = 9.81 \ \mbox{m} \ \mbox{sec}^{-2}</math>
[[category:physics]]
[[category:physics]]