Changes in Ship’s Center of Gravity Section 3.2

natalia-silvester
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Changes in Ship’s Center of Gravity Section 3.2
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Description
Changes in Ships Center of Gravity Section 3.2 Center of MassGravity Center of MassGravity (G or CG) The weighted average over area or volume based on given distribution summed such that result is equivalent to the total force applied

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Changes in Ship’s Center of Gravity Section 3.2<br>
02
Center of Mass/Gravity Center of Mass/Gravity (G or CG)
The weighted average over area or volume based on given distribution summed such that result is equivalent to the total force applied through a single point
Similar to Center of Buoyancy for defining
LCG – Longitudinal Center of Gravity, x axis
TCG – Transverse Center of Gravity, y axis
KG – Vertical Center of Gravity, distance from Keel to Center of Gravity, z axis
What can change the Center of Gravity?
Add weight
Subtract weight
Shift (move) weight/change distribution<br>
03
Important Points Go (LCG, TCG, KG) Bo (LCB, TCB, KB) K So far we’ve looked at ships that are in STATIC EQUILIBRIUM:
ΣFx = 0
ΣFy = 0
ΣFz = 0
ΣΜp = 0 Now let’s take a look at what happens when a weight is added to disturb this equilibrium!<br>