Question

If you quadruple the distance between m1 and m2, by what factor will the gravitational force change?answer choices1/4 F4F1/16 F16F

Answer 1

F = G M1 M2 / R^2

Since F is proportional to 1 / R^2

Quadrupling the distance (R) will reduce the force by

F2 = F1 / 16