对于确定扭矩T符号的右手螺旋法则，此叙述正确的是___________ -题库考试答案搜索网

对于确定扭矩T符号的右手螺旋法则，此叙述正确的是___________

单选题

2021-09-02 00:14

A、按右手螺旋法则把T表示成矢量，当矢量方向与截面外法线方向相反时，T为正
B、按右手螺旋法则把T表示成矢量，当矢量方向与截面外法线方向相反时，T为负
C、按右手螺旋法则把T表示成矢量，当矢量方向与截面外法线方向相同时，T为正
D、以上说法都不对

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正确答案

A

试题解析

标签：联大华北水利水电大学材料力学

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