• 2022-06-06
    图示任意截面,已知面积为A,形心为C,对z轴的惯性矩为Iz,则截面对z1轴的惯性矩Iz1等于( )[img=185x110]1802f8d607840a5.jpg[/img]
    A: [img=55x26]1802f8d611b416f.jpg[/img]
    B: [img=99x21]1802f8d61c974dc.jpg[/img]
    C: [img=62x23]1802f8d62708b4a.jpg[/img]
    D: [img=102x23]1802f8d632e5ecf.jpg[/img]
  • 举一反三