一质量为m,半径为r的均质圆轮以角速度ω沿水平面作纯滚动,均质杆OA与圆轮心O处铰接,如题 13-1-1-3 图所示。设OA杆长l=4r,质量,在图示位置,杆与铅垂线的夹角时其角加速度,则此时该系统的动能为( )。 -题库考试答案搜索网

一质量为m,半径为r的均质圆轮以角速度ω沿水平面作纯滚动,均质杆OA与圆轮心O处铰接,如题 13-1-1-3 图所示。设OA杆长l=4r,质量,在图示位置,杆与铅垂线的夹角时其角加速度,则此时该系统的动能为( )。

单选题

2022-04-02 02:00

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1502435381356033421ccbe4545e7a2f20587904af0a0image4.png"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1502435381440d3830b88d85d45ffa5fca69e3fc2074eimage5.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/150243538153214b4290f4d054474aa77ec7356bc9941image6.png"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1502435381621ddc42912a5fc4772a975a9cef4385415image7.png"/>

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标签：大连工业大学机械设计与制造高起专理论力学作业1

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