Which of the following is/are true? (. i. If after introducing a small angular displacement to the ship, it returned to ts original position, then the ship is in neutral stability. ii. When a body is floating, the distance from the metacenter to center of buoyancy is equal to the sum of the distance between the centers of buoyancy and gravity, and the metacenter. iii. An upward force is produced on a body that may be immersed or submerged in a fluid at its center of gravity, whenever the fluid is in a gravity field. iv. For a completely submerged body, its stablity is dependent on the positions of center of gravity and center of buoyance relative with each other. v. Metacenter is the point of intersection of the lines of action of the weight before and after the small angular displacement was introduced to a floating body. vi. For a floating body, when the metacentric height is positive, or metacenter is above the center of buoyancy, then the body stable. vii. For floating body, when the metacentric height is negative, then the body is unstable.
Which of the following is/are true? (. i. If after introducing a small angular displacement to the ship, it returned to ts original position, then the ship is in neutral stability. ii. When a body is floating, the distance from the metacenter to center of buoyancy is equal to the sum of the distance between the centers of buoyancy and gravity, and the metacenter. iii. An upward force is produced on a body that may be immersed or submerged in a fluid at its center of gravity, whenever the fluid is in a gravity field. iv. For a completely submerged body, its stablity is dependent on the positions of center of gravity and center of buoyance relative with each other. v. Metacenter is the point of intersection of the lines of action of the weight before and after the small angular displacement was introduced to a floating body. vi. For a floating body, when the metacentric height is positive, or metacenter is above the center of buoyancy, then the body stable. vii. For floating body, when the metacentric height is negative, then the body is unstable.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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8
Transcribed Image Text:all are true
Which of the following is/are true? (,
i. If after introducing a small angular displacement to the ship, it returned to ts original
position, then the ship is in neutral stability.
ii. When a body is floating, the distance from the metacenter to center of buoyancy is equal
to the sum of the distance between the centers of buoyancy and gravity, and the
8.
metacenter.
iii. An upward force is produced on a body that may be immersed or submerged in a fluid at
its center of gravity, whenever the fluid is in a gravity field.
iv. For a completely submerged body, its stability is dependent on the positions of center of
gravity and center of buoyance relative with each other.
V. Metacenter is the point of intersection of the lines of action of the weight before and after
the small angular displacement was introduced to a floating body.
vi. For a floating body, when the metacentric height is positive, or metacenter is above the
center of buoyancy, then the body stable.
vii. For floating body, when the metacentric height is negative, then the body is unstable.
I, III, IV, V
1, 11, IV, Vi
11, IV, VI
11, IV, viI
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