Question
Tue September 24, 2013 By: Shweta Mondal

suppose the earth shrinks to one-third of its present size without losing any mass. what will be the value of g on the surface of the shrinked earth.

Expert Reply
Romal Bhansali
Tue September 24, 2013
The acceleration due to gravity is given as
 
Now, the earth is reduced to one-third its size. Thus, volume of earth is one-third its original volume.
 
 
Thus, g' on shrinked earth is
 
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