[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fyZ676lzGwjT_gNdmq_1voii_5bGF3z3OBD66gKnZzdI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":26,"type":58},[],"2024-12-13 16:47:13",170906838,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},7,"0128d032077f7235b26a1209ffff6ca1","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","工程力学（一）","work_37101458","5 平面一般力系(主观题)","如图,已知M1=1 kN·m,l=1m,系统平衡时M2的大小( ) kN·m \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F490c78f012766a6a6d466c4236713a26.png\">",[17,28,37,46,55,59,64],{"answer":18,"createTime":5,"id":19,"options":20,"question":25,"source":26,"type":27},[],170906832,[21,22,23,24],"水平方向","沿DA方向","沿DC方向","铅垂方向","图示结构,各杆自重不计,则支座D处的约束反力的作用线为( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb8225886b99105e5050a5eb9a7237b05.png\">","v1",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],170906835,[32,33,34,35],"F'=10N,MA=10N·cm","F'=10N,MA=0","F'=10N,MA=20N·cm","F'=0,MA=0","某平面任意力系向O点简化,得到F=10N,Mo=10N·cm,方向如图所示.若将该力系向A点简化,则得到( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F144d993cffc46a81830dcf828cf3d50c.png\">",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":26,"type":27},[],170906836,[41,42,43,44],"F1","F2","F3","F4","如下图所示,大小相等的四个力,作用在同一平面上且力的作用线交于一点C,四个力对平面上点O的力矩,力( )对O点之矩最大. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F23a6bf152e8e1db2c5f96c076a8f9f0f.png\">",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":26,"type":27},[],170906837,[50,51,52,53],"总可以用一个不为零力与之平衡","总可以用一个不为零力偶与之平衡","总可以用一个不为零力和一个不为零的力偶来与之平衡","总可以用两个不为零的力与之平衡","对任何一个平面力系( )",{"answer":56,"createTime":5,"id":6,"options":57,"question":15,"source":26,"type":58},[],[],4,{"answer":60,"createTime":5,"id":61,"options":62,"question":63,"source":26,"type":58},[],170906839,[],"如图,B端为光滑面约束,支座A处的水平方向和竖直方向的支反力的大小分别为( )N和( )N(取整数) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c432f09b16d2112a25b00753d945314.png\">",{"answer":65,"createTime":5,"id":66,"options":67,"question":68,"source":26,"type":58},[],170906840,[],"如图,求A、B处的支反力的大小分别为( )N·m(保留小数点后一位)和( )N. .\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1f2aae340d4eba86b18bd120da620cf0.png\">"]