对扭矩正负号的规定是：以右手拇指表示截面外法线方向，若扭矩转向与其它四指转向相同，则此扭矩为负，反之为正。 -题库考试答案搜索网

对扭矩正负号的规定是：以右手拇指表示截面外法线方向，若扭矩转向与其它四指转向相同，则此扭矩为负，反之为正。

判断题

2022-04-01 17:09

A、正确
B、错误

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正确答案

B

试题解析

标签：延边大学继续教育学院在线学习平台工程力学期末考试

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