Physics Unit5: Circular Motion & Gravitation (id: 5fbc314fb)

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]
The gravitational attractive force bet kct bml;tf6+96fm 1 vn+ae ,l)6ehkkmween t 2vt: 7kgti2fr2u emm4m8)unt. 9x yuwwo masses is F. If the masses are moved . 42rgvm met8x9 ti f u2wn:m)yu2k7tuto half of their initial distance, what is the gravitational attractive force?

A. $4 \; F$
B. $2 \; F$
C. F/2
D. F/4


参考答案:  A


本题详细解析: 暂无

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