Text-book of theoretical naval architecture (1889)
Attwood, Edward L. (Edward Lewis), 1871- · London, New York [etc.] Longmans, Green, and Co. · leaf 103
qual forces act at a distancefrom each other of GZ. This distance is termed the arm ofthe couple, and the moment of the couple is W X GZ. Onlooking at the figure, it is seen that the couple is tending totake the ship back to the upright. If the relative positionsof G and M were such that the couple… … couple at all, and the ship would have no tendency to moveeither to the upright or away from it. We see, therefore, that for a ship to be in stable equilibriumfor any direction of inclination, it is necessary that the meta-centre be above the centre of gravity of the ship. We nowgroup together the…
Naval architecture
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