how to solve the question
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g1/2 is the correct answer
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gravitational force directly proportional to mass and inversely proportional to square of distance between objects
gravity = gravitational force/mass of other object
g1 = gF1 /m = G m /r^2
G = universal constant
g2 = gF2/m = G (2m)/(2r)^2
= (2/4) ( Gm/r^2)
= (1/2) g1
= g1 /2
option C is correct
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