本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理
[单选题]
Two objects, with ma()gf,o h:/qafz. pl zkzo fnns6o6q. 2b (ehhp1 zau;a16m(/pyn: bansses $m_{1}$ and $m_{2}$, are originally a distance r apart. The magnitude of the gravitational force between them is F. The masses are changed to 2$m_{1}$ and 2$m_{2}$, and the distance is changed to 4r. What is the magnitude of the new gravitational force?
A. F/16
B. F/4
C. 16F
D. 4F
参考答案: B
本题详细解析:
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