点沿其轨迹运动时,以下说法正确的是( )。 -题库考试答案搜索网

点沿其轨迹运动时,以下说法正确的是( )。

单选题

2021-07-17 23:18

A、若<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545184118474fcc052f111ed413c9473e2a4fa4ee5ce.png" alt="上传图片">，则点作变速一般曲线运动
B、若<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/154518414890263bccba9abd147b2b59af15a3ed607e3.png" alt="上传图片">，则点作匀速一般曲线运动
C、若<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15451841672235e869615a540479b80ad23c0c6cf4115.png" alt="上传图片">，则点作变速一般曲线运动
D、若<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545184187928bd15b814e6a94c7da500af415f4993c0.png" alt="上传图片">，则点作匀速一般曲线运动

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标签：水利水电建筑工程高起专工程力学 2020级第一学期期末考试期末环境工程专升本道路桥梁工程技术

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