The "trimming arm" of a vessel is the...

Question 1 / 2707066636eec28f7522a1c51cf78

Question 1 of 2707066636eec28f7522a1c51cf78

The "trimming arm" of a vessel is the horizontal distance between which two points?

Question 1 of 27070

The "trimming arm" of a vessel is the horizontal distance between which two points?

🔍 Key Concepts

• Trim is change in a vessel’s draft forward vs. aft, caused by moving weights longitudinally • The trimming moment is weight × a certain horizontal distance between two longitudinal centers • Know what LCG (Longitudinal Center of Gravity), LCB (Longitudinal Center of Buoyancy), LCF (Longitudinal Center of Flotation), and LHA represent

💭 Think About

• When a weight is shifted fore-and-aft, which two longitudinal points determine the moment that causes trim? • Which of the listed points is associated with the weight of the ship and which is associated with the waterplane/flotation or buoyant forces? • Ask yourself: the trimming arm is used in the formula for trimming moment. That moment is trying to rotate the ship about what effective center?

✅ Before You Answer

• Be sure you can define LCG, LCB, and LCF in your own words • Identify which points relate to gravity (weight) and which relate to buoyancy/flotation • Check standard naval architecture relationships: Trimming moment = W × trimming arm and see which two centers that arm usually connects

Question 1 of 27070

The "trimming arm" of a vessel is the horizontal distance between which two points?

LCF and LCG

LHA and LCG

LCB and LCF

LCB and LCG