关于万有引力常量G,下列说法正确的是(    )A.其大小与两

关于万有引力常量G,下列说法正确的是(    )

A.其大小与两物体万有引力和距离的平方的乘积成正比,与两物体质量的乘积成反比

B.万有引力常量就是两个质量均为1kg的质点相距1m时的引力

C.万有引力常量在数值上等于两个质量均为1kg的质点相距1m时的引力大小

D.万有引力常量是适用于任何两个物体间的普适常量

答案

CD

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