笑傲連登
2020-2-16 23:10:50
Weight = mg = Gravitational force acting on a person by the Earth = GMm/r^2
g = GM/r^2
g = acc. due to gravity
G = Gravitational Constant = 6.67430×10^−11 N⋅m^2/kg^2
M = Mass of the Earth = 6×10^24kg
r = Distance between the person and the Earth