Fields D.1 Gravitational Fields & Potential (id: c6b4c26e2)

本题目来源于试卷: Fields D.1 Gravitational Fields & Potential ，类别为 IB物理学

[单选题]
The centers of three masses lie on the same line. The centers of the masses are separated as shown.


The net gravitational force on m22​ is zero when the value of $d$ is one third of $x$. What is the ratio $\frac{m_1}{m_3}$?

A. $\frac{1}{4}$
B. $\frac{2}{3}$
C. 1
D. $\frac{1}{3}$


参考答案:  A


本题详细解析:

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