The radius of earth is about 6400 km and that of mars is 3200 km. The mass of the earth is about 10 times mass of mars. An object weighs 200 
on the surface of earth. Its weight on the surface of mars will be
A
20 
B
8 
C
80 
D
40 N.
Text Solution
Verified by ExpertsThe correct answer is:
C
: Radius of earth 
km; Radius of mars 
km; Mass of earth
Mm and weight of the object on earth 
N.
or 
N.
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