Question

two equal masses m placed 2 meters apart have a gravitational constant of 6.7 *10^-9 N what is m (G= 6.7 *10^-11 N m^2kg^-2)

Answer 1

Since F = Gmm/r^2, plug in your numbers

6.7*10^-11 * m^2 / 2^2 = 6.7 * 10^-9
So solve for m.