[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmx5PGsE0tbVasDaPaEgtuvvKgpXaGYFKrOsIvWaChqY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":25,"type":51},[],"2026-05-07 11:51:33",360655035,[8,9,10,11],"ρga","mg","ρga - mg","mg - ρga",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","The net force per unit length acting on a ship in still water is ______",[18,27,32,37,42,52,55,61,70,79],{"answer":19,"createTime":5,"id":20,"options":21,"question":24,"source":25,"type":26},[],360655030,[22,23],"正确","错误","The structural strength of a ship refers to its ability to resist external forces without causing serious deformation or damage","v1",3,{"answer":28,"createTime":5,"id":29,"options":30,"question":31,"source":25,"type":26},[],360655031,[22,23],"The net force per unit length is always zero in still water",{"answer":33,"createTime":5,"id":34,"options":35,"question":36,"source":25,"type":26},[],360655032,[22,23],"The hydrostatic force B is equal to the gravitational force acting on the mass M of the ship, i.e., Mg",{"answer":38,"createTime":5,"id":39,"options":40,"question":41,"source":25,"type":26},[],360655033,[22,23],"The structural strength problem is a static problem",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":25,"type":51},[],360655034,[46,47,48,49],"static","dynamic","thermal","electrical","The structural strength problem of a ship is essentially a ______ problem",0,{"answer":53,"createTime":5,"id":6,"options":54,"question":16,"source":25,"type":51},[],[8,9,10,11],{"answer":56,"createTime":5,"id":57,"options":58,"question":60,"source":25,"type":51},[],360655036,[9,59,8,10],"ma","In still water, the hydrostatic force B on a ship is equal to ______",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":25,"type":51},[],360655037,[65,66,67,68],"∫(ρga - mg)dx","∬(ρga - mg)dx","∫(ρga + mg)dx","∬(ρga + mg)dx","The shearing force in the ship's structure is calculated by ______",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":25,"type":51},[],360655038,[74,75,76,77],"assessing the forces acting on the ship","calculating the net force per unit length","measuring the bending moment","evaluating the shear force","The structural strength problem of a ship involves two main aspects: ______ and determining the response of the structure to those forces",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":25,"type":51},[],360655039,[83,84,85,86],"longitudinal strength","transverse strength","local strength","torsional strength","Which of the following is NOT a type of ship structural strength mentioned in the content"]