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[model]
name-en = "Classic Gravitation"
descrption-en = "Newtonian"
sexprs = ['''
(=
F
(/ (* G m1 m2)
(square r 2)))
''']
[variables]
[variables.G]
type = "constant"
name-en = "Gravitational Constant"
value_si = 6.674e-11
[variables.F]
type = 'dependent'
name-en = "force"
units_si = "unit"
[variables.r]
type = 'independent'
name-en = "distance"
units_si = "meter"
[variables.m1]
type = 'independent'
latex = 'm_1'
name = "mass #1"
units_si = "kilogram"
[variables.m2]
type = 'independent'
latex = 'm_2'
name = "mass #2"
units_si = "kilogram"
[examples]
[examples.earth_surface]
r = 6.371e6 # radius of earth
m1 = 5.972e24 # mass of earth
m2 = 70 # mass of human
[examples.earth_moon]
r = 385000 # radius of earth
m1 = 5.972e24 # mass of earth
m2 = 7.348e22 # mass of moon
[references]
[references.url]
"Mathworld" = "http://mathworld.wolfram.com/Lotka-VolterraEquations.html"
"Wikipedia" = "https://en.wikipedia.org/wiki/Lotka%E2%80%93Volterra_equations"
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