When at rest on even keel, the vessel's centre of buoyancy is directly below the centre of _____ as well as below the metacenter.
Avelocity
Bspeed
Cgravity正確答案
Dwaterline
答案與詳解
centre of gravity (重心 G) 正解。船舶正浮靜止時,浮心 B、重心 G、穩心 M 三點共鉛垂線,這是船舶穩性 (stability) 的基本原理。
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