[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPwdXCo0vGrLXrKHnkZbTu1DWqImpUN3arUnSw9E-ymE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":26,"type":93},[],"2026-05-05 05:39:42",358134968,[8,9],"正确","错误",{"courseId":11,"courseImg":12,"courseName":13},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","平行于转轴的力对转轴的力矩一定等于零,而垂直于转轴的力对转轴的力矩一定不为零",[16,28,37,46,55,63,72,81,90,94],{"answer":17,"createTime":18,"id":19,"options":20,"question":25,"source":26,"type":27},[],"2026-04-25 20:36:16",351135058,[21,22,23,24],"Two","Three","Four","Five","How many days will the woman rent the car","v1",0,{"answer":29,"createTime":18,"id":30,"options":31,"question":36,"source":26,"type":27},[],351135059,[32,33,34,35],"Because it is a new model","Because its rental rate is lower","Because its colour is more attractive","Because it is more comfortable","Why does the woman decide to rent a Toyota",{"answer":38,"createTime":18,"id":39,"options":40,"question":45,"source":26,"type":27},[],351135060,[41,42,43,44],"She enjoys making new friends","She likes doing volunteer work","She gets along well with her colleagues","She possesses the qualities of a good leader","What can we learn about the woman from the conversation",{"answer":47,"createTime":18,"id":48,"options":49,"question":54,"source":26,"type":27},[],351135061,[50,51,52,53],"Meeting people in person","Talking with people over the phone","Introducing products to customers","Making schedules for the manager","What kind of job is the woman going to take",{"answer":56,"createTime":18,"id":57,"options":58,"question":62,"source":26,"type":27},[],351135062,[22,59,60,61],"Six","Nine","Twelve","How many hours will the woman work a week",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":26,"type":27},[],358134965,[67,68,69,70],"必然不会转动","转速必然不变","转速必然改变","转速可能不变,也可能改变","23.几个力同时作用在一个具有固定转轴的刚体上,如果这几个力的矢量和为零,则此刚体( )",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":26,"type":27},[],358134966,[76,77,78,79],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F69ffef5950344c56e99a6385da3b0755.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F828b8a99ecd6b9cf24de5c93aad38438.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e1530066afb092dc22d07dc5d25073f.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F058a3d82b6397a9f4c316cd363aa2e56.jpg\">","39.花样滑冰运动员绕通过自身的竖直轴转动,开始时两臂伸开,转动惯量为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fccde104b472356a04c44710e568fbe75.jpg\">,角速度为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffe36643615ea36f97d1d5ed0c55757e5.jpg\"> ;然后将两手臂合拢,使其转动惯量为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9937eb556aadd4b020c5e4a289f8fc6d.jpg\"> ,则转动角速度变为( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":26,"type":27},[],358134967,[85,86,87,88],"机械能守恒,角动量守恒","机械能守恒,角动量不守恒","机械能不守恒,角动量守恒","机械能不守恒,角动量也不守恒","33.一人站在有光滑固定转轴的转动平台上,双臂水平地举二哑铃.在该人把此二哑铃水平收缩到胸前的过程中,人、哑铃与转动平台组成的系统的( )",{"answer":91,"createTime":5,"id":6,"options":92,"question":14,"source":26,"type":93},[],[8,9],3,{"answer":95,"createTime":5,"id":96,"options":97,"question":98,"source":26,"type":93},[],358134969,[8,9],"作用在定轴转动刚体上的合力矩为零,刚体转动的角加速度为零"]