[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fL8ngFAGwNFuBu1JPxWaBN290yEhjKGAEc1KjiqbV190":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-09-24 13:32:21",218007336,[8,9,10,11],"一个质点同时受到几个力的作用时,这几个力将各自产生动力学效果而互不影响","一个质点同时受到几个力的作用时,必须先通过矢量合成得到一个合力,再讨论合力对质点的作用","一个力作用在质点上,质点的运动状态肯定会发生改变,但几个力同时作用在质点上时,质点的运动状态可能不变","作用在物体上的一个力,可以根据需要分解成几个不同的力",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},3,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","aa5caac284614e27a9c65ed131664d9d","牛顿三定律","关于力的独立作用原理,以下说法正确的是",[21,26,35],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",1,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],218007338,[30,31,32,33],"作用力与反作用力同时产生,同时消失,没有先后区别","作用力与反作用力必定是同性质的力","作用力与反作用力是作用于两个物体上的,它们虽然大小相等,方向相反,但不是一对平衡力","作用力与反作用力可以作用在同一个物体上","关于作用力与反作用力,以下说法正确的是",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":44},[],218007340,[39,40,41,42],"牛顿第一定律","牛顿第二定律","牛顿第三定律","牛顿第一定律和第二定律","任何参考系下均成立的是",0]