The SS AMERICAN MARINER has on board 4850...

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Question 1 of 2066636eec28f7522a1c51cb74

The SS AMERICAN MARINER has on board 4850 tons of cargo with an LCG-FP of 279.84 feet. See table ST-0159 below for the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo.

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Question 1 of 20

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🔍 Key Concepts

• Longitudinal center of gravity (LCG-FP) is the distance of the combined cargo weight from the forward perpendicular • To find a final LCG when you add cargo, you combine moments: (Weight × LCG) for existing cargo and for each new parcel • In the Stability Data Reference Book white pages for SS AMERICAN MARINER, each compartment/deck (e.g., "No. 4 Tank Top") has its own LCG-FP value to use

💭 Think About

• How do you combine the original 4,850 tons at LCG-FP 279.84 ft with all the new cargo weights listed in ST-0159 using moments? • When you look up each space (e.g., "No. 1 Main Deck"), are you sure you are using the correct LCG-FP column and not a transverse or vertical value? • After adding the new cargo, does the ship’s cargo LCG move forward or aft compared to 279.84 ft, based on where most of the added cargo is located?

✅ Before You Answer

• Be sure you calculate total weight = (existing cargo weight) + (sum of all new cargo weights) before solving for the new LCG • For each item in the table, verify you used the correct compartment name and deck from the white pages so each weight is matched with the right LCG-FP • Double-check your arithmetic on total moments: sum of (W × LCG-FP) for existing cargo plus every new stow, then divide by total weight to get the final LCG-FP

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