Under the same material conditions, as the flexibility increases, ( )
选项:
A:The critical stress of the long column decreases while that of the medium flexibility bar remains unchanged;
B:The critical stress of the intermediate column decreases while that of the large flexibility bar remains unchanged;
C:The critical stress of the large and the intermediate column are both decreased;
D:The critical stress of the large and the intermediate column are both unchanged
发布时间:2024-03-31 22:43:42