SOLUTION: The magnetic force between an iron object and a magnet varies inversely as the square of the distance. The force generated by a magnet on a refrigerator door with a 3 cm gap is 2

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Question 1085120: The magnetic force between an iron object and a magnet varies inversely as the square of the distance. The force generated by a magnet on a refrigerator
door with a 3 cm gap is 2 lbs. What would the force be with a 1 cm gap?
K=
F=
Any help is appreciated. Thank you very much!
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +G+ = gap in cm
+F+=+2+ lbs
+G+=+3+ cm
-------------------------
+F+=+K%2A%28+1%2FG+%29+
+2+=+K%2A%28+1%2F3+%29+
+K+=+6+
-------------------------
+G+=+1+ cm
+F+=+6%2A%28+1%2F1+%29+
+F+=+6+
-------------------------
+K+=+6+
+F+=+6+