Physics 001
The force of gravity between two objects is F= G m1 m2/r^2 G=newtonian grav cst m1 = mass of first object m2 = mass of second object r=distance between them for this question, the variable in question is r, the distance between them gravity depends on 1/distance^2, called an inverse square law so if the distance gets smaller by 4, the force changes by 1/(1/4)^2 = 16, meaning the force is 16 times larger if the distance increased by 4, the force would become 1/16 of its previous value
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