问题
单项选择题
The original equilibrium position is stable when().
A.metacentric height is positive
B.metacentric radius is positive
C.KG exceed maximum allowable limits
D.Free surfaces are excessive
答案
参考答案:A
The original equilibrium position is stable when().
A.metacentric height is positive
B.metacentric radius is positive
C.KG exceed maximum allowable limits
D.Free surfaces are excessive
参考答案:A