The weight of a body on the surface of the earth is 392N .What will be the weight of this body on a planet whose mass is double that of the earth and radius is four times that of the earth

Question

The weight of a body on the surface of the earth is 392N .What will be the weight of this body on a planet whose mass is double  that of the earth and radius is four times that of the earth

Anonymous · Accepted Answer

49

bobpursley · Answer

forcegravity=k Mass/r^2 double the mass... forcegravity=392* 2/(4^2)=392/8 N