Question
Thu December 01, 2011 By: Abhinav Rastogi

A body weighs 90 kgwt on the surface of the earth. How much will it weigh on the surface of mars whose mass is 1/9 th and the radius is half of earth?

Expert Reply
Thu December 01, 2011
FIND  g ON SURFACE OF MARS: FROM FORMULA:
g=GM/R2    here  M= mass of  mars,    R =radius of mars
find the ratio of g on earth to ratio of g on mars=9:4
             weight of body on mars=40 kg
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