A body weighs 90 kg on the surface of the earth. How much will it weighs on the surface of mars whose mass is 1/9 and the radius is 1/2 of that of the earth.

A body weighs 90 kg on the surface of the earth. How much will it weig

1.	A body weighs 90 kg on the surface of the earth. How much will it weighs on the surface of mars whose mass is 1/9 and the radius is 1/2 of that of the earth.
Answer» `r^6` `r^4` `r^2` `r^-2` ANSWER :B