#include<iostream>

using namespace std;

int main ()

{

double d;

double T;

double r;

double M1;

double M2;

double Fg;

double a1;

double a2;

const double G = 0.000000000066741;

cout << "Welcome to the first version of Gravitational Force Calculator.";

cin.get();

cout << "This program was made by Eduardo Monteiro.";

cin.get();

cout << "Insert the masses of the two objects and them insert the distance between the barycenters of the objects. The gravitational constant is considered 0.000000000066741.";

cin.get();

cout << "Mass of point particle 1 (Kilograms) =";

cin >> M1;

cin.get();

cout << "Mass of point particle 2 (Kilograms) =";

cin >> M2;

cin.get();

cout << "Distance between barycenters (Meters) =";

cin >> r;

cin.get();

d = r*r;

T = M1*M2/d;

Fg = T*G;

Fg = M1*a1;

Fg = M2*a2;

cout << "Gravitational Force ="<< Fg << endl;

cout << "Acceleration of particle 1="<< a1 << endl;

cout << "Acceleration of particle 2=" << a2 << endl;

cin.get();

system("PAUSE");

}

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