图示杆的重量为P,放置在直角槽内。杆与槽为光滑面接触,A、B、C为三个接触点,则该杆的正确受力图是( ) -题库考试答案搜索网

图示杆的重量为P,放置在直角槽内。杆与槽为光滑面接触,A、B、C为三个接触点,则该杆的正确受力图是( )

单选题

2021-07-18 00:03

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/16068971005350376127d7f434aab8a3321128ee25746.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/16068971140589d9852d2707d45d1a96785181cc40c8d.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1606897125838d6daeb771fd2436c9bcc32f31bc550e0.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/16068971368120a64aff5b0714ef19b72ac6d75daa59f.png">

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标签：土木工程专升本理论力学

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