The following structural system is:[img=279x167]1803b7fa72c1d55.jpg[/img] A: Stable without redundant restraint B: Instantaneously unstable C: Unstable D: Stable with redundant restraint(s)

2022-05-31

The following structural system is:[img=279x167]1803b7fa72c1d55.jpg[/img] A: Stable without redundant restraint B: Instantaneously unstable C: Unstable D: Stable with redundant restraint(s)

The following structural system is:[img=279x167]1803b7fa72c1d55.jpg[/img]
A: Stable without redundant restraint
B: Instantaneously unstable
C: Unstable
D: Stable with redundant restraint(s)

答案：

B

举一反三

The following structural system is:[img=204x70]1803b7faee4b92f.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Unstable with redundant restraint(s) D: Instantaneously unstable with redundant restraint(s)
The following structural system is:[img=148x70]1803b7fae44e645.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Unstable D: Instantaneously unstable
The following structural system is:[img=126x72]1803b7fac49252c.jpg[/img] A: Unstable B: Instantaneously unstable C: Stable without redundant restraint D: Stable with redundant restraint(s)
The following structural system is:[img=126x70]1803b7facf36643.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Instantaneously unstable D: Unstable
The following structural system is:[img=153x101]1803b7fad9a6845.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Instantaneously unstable D: Unstable

内容

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The following structural system is:[img=157x70]1803b7faf8e7890.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Instantaneously unstable D: Unstable
1
The following structural system is:[img=126x70]1803b7fab9757cf.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Unstable D: Instantaneously unstable
2
The following structural system is:[img=126x135]1803b7faa25e2a0.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Unstable D: Instantaneously unstable
3
The following structural system is:[img=126x70]1803b7fa9c41e6e.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Instantaneously unstable D: Unstable
4
The following structural system is:[img=126x70]1803b7fa86e977a.jpg[/img] A: Stable without redundant restraint B: Stable with redundant restraint(s) C: Instantaneously unstable D: Unstable