Given F = Gm1m2/r2, If r is made 3X smaller and G, m1, and m2 stay the same, what happens to F?

I need some help on this physics problem.... any help would be greatly appreciated! Thanks!
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1 Answer

????????????????? "is made 3x smaller" ??????????????

??? divide r bi 3 ?????????

formula hav 1/r^2, so nu value is 9 times old vershun
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