How is the magnitude of gravitational force affected the separation between two masses is reduced to half?
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f=g*m1*m2/r^2
gravitational formula given above
hence
if seperation is reduced to half then new seperation
r=r/2
new gravitational force
f''=g*m1*m2/(r/2)^2
f''=g*m1*m2/(r/4)
f''=4*g*m1*m2/r^2
hence f''=4*f
hence magnitude of new gravitational force becomes 4 times its original value after seperation is reduced to 1/2 its original value :))
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