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The gravitational force between two objects is 45,000 N. What will be the gravitational force between the two objects if the distance between the objects is reduced by one-half?
11,250 N
22,500 N
90,000 N
180,000 N
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GPT-5 mini
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180,000 N
Because gravitational force follows an inverse-square law: F ∝ 1/r^2. Halving the distance makes the force 1/(1/2)^2 = 4 times larger, so 45,000 N × 4 = 180,000 N.
Because gravitational force follows an inverse-square law: F ∝ 1/r^2. Halving the distance makes the force 1/(1/2)^2 = 4 times larger, so 45,000 N × 4 = 180,000 N.
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