question_answer

If the mass of moon is\[\frac{1}{90}\]of earths mass, its radius is\[\frac{1}{3}\]of earths radius and if g is acceleration due to gravity on earth, then the acceleration due to gravity on moon is......:

A)  \[\frac{g}{3}\]                  

B)         \[\frac{g}{90}\]

C)  \[\frac{g}{10}\]               

D)         \[\frac{g}{9}\]

E)  \[\frac{g}{8}\]