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# Elementary gravitation formula.

### One can use the following formula to calculate the gravitational force between atoms of the same element.

Under "World forces formula" - Formula No. 1, click the generalized formula for gravitation and other forces.

Formula No. 2

F - force of gravitation in [N] (Newton)

R - distance between the bodies (in the same meaning as in the present

theories of electromagnetic or gravitational forces) in [m]

Z - number of electrons in an atom of an element (for which we calculate the gravitation)

the formula (Z + 1) to the account of (+ 1) of the atomic nucleus

I_{0} - density of electromagnetic radiation in [ J / m^{3 }]

(if the calculations of gravitation between two bodies

affect on the earth, then "I_{0}" the size is close to the Earth.(4,58 10 ^{-6} [N / m^{2}]))

n_{1} - number of atoms in the first body

n_{2} - number of atoms in the second body

r_{e} - electromagnetic radius of the electron in [m], calculated with the following formula:

where:
k - Coulomb constant in [V * m / A * s]

ε_{0} - electric field constant in [F / m]

e - elementary charge (charge of the electron) in [C]

m_{e} - mass of the electron in [kg]

c - speed of light in [m / s]