A: [img=98x17]1802e9fb4938c72.bmp[/img]
B: [img=112x17]1802e9fb54ddc54.bmp[/img]
C: [img=416x17]1802e9fb61c0f81.bmp[/img]
D: [img=112x17]1802e9fb6c45c90.bmp[/img]
举一反三
- [img=416x19]1802e9fd5c37afa.bmp[/img] A: [img=98x17]1802e9fd676d14b.bmp[/img] B: [img=112x17]1802e9fd725c9a6.bmp[/img] C: [img=416x17]1802e9fd8098b58.bmp[/img] D: [img=112x17]1802e9fd8bbf6bd.bmp[/img]
- 图中的力F对O点的矩为多少?[img=744x149]18036e09021933f.png[/img][img=685x233]18036e090d730fc.png[/img][img=735x315]18036e0919b7d9d.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
- 图中的力F对O点的矩为多少?[img=744x149]18036264958edca.png[/img][img=685x233]18036264a0a5ed0.png[/img][img=735x315]18036264ac698ce.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,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
- 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