• 2022-07-26
    设曲线积分[img=265x48]1802fb21cc9ee2c.png[/img]与路径无关,其中f(x)具有一阶连续导数,且f(0)=0,则f(x)等于
    A: [img=89x43]1802fb21d5210a3.png[/img]
    B: [img=89x43]1802fb21de4252a.png[/img]
    C: [img=119x43]1802fb21ee38241.png[/img]
    D: [img=112x43]1802fb21f6c1e8c.png[/img]
  • B

    内容

    • 0

      图中的力F对O点的矩为多少?[img=744x149]1802f3fa5d08ce2.png[/img][img=685x233]1802f3fa67fe3e8.png[/img][img=735x315]1802f3fa7529558.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0

    • 1

      图中的力F对O点的矩为多少?[img=744x149]18035d1c6fd7961.png[/img][img=685x233]18035d1c7ab1df4.png[/img][img=735x315]18035d1c859b5d7.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0

    • 2

      图中的力F对O点的矩为多少?[img=744x149]1802f3f8b9285a5.png[/img][img=685x233]1802f3f8c4edd9d.png[/img][img=735x315]1802f3f8d15814b.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0

    • 3

      图中的力F对O点的矩为多少?[img=744x149]1802f3f9672e5e5.png[/img][img=685x233]1802f3f9714e5f8.png[/img][img=735x315]1802f3f97c72df1.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0

    • 4

      图中的力F对O点的矩为多少?[img=744x149]1802f3fdb0a46da.png[/img][img=685x233]1802f3fdbc626cc.png[/img][img=735x315]1802f3fdc7077df.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0