[tex]g = \frac{GMm}{r^2}[/tex]
where [tex]G[/tex] is the gravitational constant and is about [tex]6.67 * 10^{-11}[/tex]
[tex]g = \frac{6.67 * 10^{-11} * 25 * 0.55}{35^2}[/tex]
[tex]g = \frac{6.67 * 10^{-11} * 25 * 0.55}{1225} = 0.000000000000749 N[/tex] :D
