Stability Terms Flashcards
1
Q
Centre of gravity
A
A point on the vessel though which all forces of gravity act vertical downwards
2
Q
Centre of buoyancy
A
A point on the vessel on which all forces act vertically upwards equal to the water displaced
3
Q
Heel
A
Change in stability of vessel due to external forces
4
Q
List
A
Change in stability of vessel due to movement of anything inside
5
Q
Displacement
A
Total weight of the vessel equal to the water it displaces
6
Q
Length between perpendiculars
A
The length of a ship measures from the forward side of stem to the aft side of the stern post at the height of the designed water line.
7
Q
Archemedes principle
A
When a body is submerged it experience upthrust which is equal to mass of liquid displaced