• 2022-06-03
    如图所示结构,各构件自重忽略不计,在构件BC上作用一个力偶矩为M的力偶,尺寸如图,根据前述对构件BC的受力分析,支座B和支座C处的约束力为( )[img=230x144]18033f221e520ff.jpg[/img]
    A: [img=110x33]18033f22296b6bd.jpg[/img]
    B: [img=148x33]18033f2233aaa0f.jpg[/img]
    C: [img=100x33]18033f223e11ff9.jpg[/img]
    D: 0
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