• 2022-10-30
    曲柄连杆机构中,曲柄OA以匀角速度ω绕O轴转动,则图示瞬时OA⊥OB 连杆AB的角加速度为( )。[img=413x256]180306028fc251d.jpg[/img]
    未知类型:{'options': ['[img src="https://ct.hep.com.cn/fileFolder/mathImageFolder/2019-01-03/93957c2c6c2e4a48bd336081e91e3b35.png"], 逆时针', '[img src="https://ct.hep.com.cn/fileFolder/mathImageFolder/2019-01-03/13a41a6a505f4f8987ed9076f35ced4b.png"], 顺时针', '[img src="https://ct.hep.com.cn/fileFolder/mathImageFolder/2019-01-03/55aee6247c12467290723f179ea4494f.png"]', '无法判断'], 'type': 102}
  • 举一反三