AP Physics 1mediummcq1 pt
The gravitational force between two objects is F. If the distance between them is doubled, the new force is:
A.F/4
B.4F
C.F/2
D.2F
Explanation
Core Concept
Newton law of gravitation: F = Gm1m2/r^2. If r becomes 2r, then F new = Gm1m2/(2r)^2 = Gm1m2/4r^2 = F/4. The force follows an inverse square law.
Correct Answer
AF/4
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