WAEC - Physics (2004 - No. 42)
Given that the gravitational constant is G. Newton's universal law of gravitation states that the force of attraction between two masses M1 and M2 separation by a distance r is
\(Gr^2 M_1M_2\)
\(Gr M_1M_2\)
\(\frac{GM_1 M_2}{r^2}\)
\(\frac{GM_1 M_2}{r}\)