单选题In the absence of external forces, the center of gravity of a floating vessel is located directly above the（）.AmetacenterBamidshipsCcenter of floatationDgeometric center of the displaced volume
单选题
In the absence of external forces, the center of gravity of a floating vessel is located directly above the（）.
A
metacenter
B
amidships
C
center of floatation
D
geometric center of the displaced volume
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