When a vessel has positive stability，the distance between the line of force through B and the line of force through G is called the（）.<br>A:metacentric height<br>B:righting arm<br>C:righting moment<br>D:metacentric radius

When a vessel has positive stability，the distance between the line of force through B and the line of force through G is called the（）.
A:metacentric height
B:righting arm
C:righting moment
D:metacentric radius

出自：海船船员证

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