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万有引力定律及其应用

> 对于万有引力定律的数学表达式，下面说法中正确的是 [ ] A、只要m 1和m 2是球体，就用上式求解万有引力 B、两物体间的引力总是大小相等，与m 1和m 2是否相等无关 C、当r趋近零时，万有引力趋于无穷大 D、两物体间的引力总是大小相等，方向相反，是一对平衡力

问题：

发布时间：2024-09-13

对于万有引力定律的数学表达式，下面说法中正确的是
[ ]
A、只要m ₁和m ₂是球体，就用上式求解万有引力
B、两物体间的引力总是大小相等，与m ₁和m ₂是否相等无关
C、当r趋近零时，万有引力趋于无穷大
D、两物体间的引力总是大小相等，方向相反，是一对平衡力

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