The Moon s radius is \(\frac{1}{4}\) that of earth and its mass is \(\frac{1}{80}\) times that of the Earth. If g represents the acceleration due to gravity on the surface of Earth, that on the surface of the Moon is ……
(a) \(\frac{g}{4}\)
(b) \(\frac{g}{5}\)
(c) \(\frac{g}{6}\)
(d) \(\frac{g}{8}\)