Question 2217 Deck Safety

The correct answer is A) LCG (Longitudinal Center of Gravity). Longitudinal moment is obtained by multiplying a vessel's weight and its longitudinal center of gravity (LCG). The LCG is the point along the length of the vessel where the weight of the vessel can be considered to be concentrated. Multiplying the vessel's weight by the distance of the LCG from a reference point (typically the forward perpendicular) gives the longitudinal moment, which is an important factor in stability calculations. The other options are incorrect because: B) LCB (Longitudinal Center of Buoyancy) is not used to calculate longitudinal moment, C) VCG (Vertical Center of Gravity) or KG (Height of Center of Gravity) is the vertical, not longitudinal, component, and D) TCG (Transverse Center of Gravity) is the transverse, not longitudinal, component.