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【单选题】
如图所示的正方体上A点作用一个力F,沿棱方向。以下关于的简化说法中错误的是()【图片】
A.
能在B、C两处各加上一个不为零的力,使向A点简化的主矩为零。
B.
能在 C 点加上一个不为零的力,使向 B 点简化的主矢为零。
C.
能在 B 、 C 两处各加上一个力偶,使平衡。
D.
能在 B 点加上一个力,在 C 处各加上一个力偶,使平衡。
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A.
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B.
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C.
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D.
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