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What are the different stability condition for any body submerged fully in the fluid?
In order for a submerged body to be stable, the body′s center of gravity must lie below the center of buoyancy of the displaced liquid. In order for a submerged body to be in neutral equilibrium for all positions, the body’s centers of gravity and buoyancy must coincide.
What is mean by submerged body?
Answer and Explanation: Generally, we can describe a submerged body as a body fully surrounded by water in other words, the body is underwater. An immersed body, on the other hand, is a body that is partially submerged meaning only parts of it are in contact with the fluid that the body is immersed in.
What is the characteristic force that acts upon all bodies submerged in a liquid?
A body at rest in a fluid is acted upon by a force pushing upward called the buoyant force, which is equal to the weight of the fluid that the body displaces. If the body is completely submerged, the volume of fluid displaced is equal to the volume of the body.
What are submerged surface?
When a surface is submerged in a fluid, forces develop on the surface due to the fluid. The determination of these forces is important in the design of storage tanks, ships, dams, and other hydraulic structures. The pressure varies linearly with depth if the fluid is incompressible.
What are the condition to be satisfied if a fully immersed body is in equilibrium at a particular position?
The equilibrium of a body submerged in a liquid requires that the weight of the body acting through its cetre of gravity should be colinear with an equal hydrostatic lift acting through the centre of buoyancy.
What are the conditions to be satisfied if a fully immersed body is in equilibrium?
For the stability of the submerged body there and two conditions should be satisfied: The weight of the body should be equal to the weight of the displaced fluid. The center of gravity G of the body should be below the center of the buoyancy B.
What is the difference between immersed and submerged?
Both immersed and submerged can mean plunged into water. Submerged generally implies a voluntary action (for example, the crocodile submerged to approach its prey), immersed implies that an outside agency is involved to place an object underwater (for example, during baptism the child was immersed).
What is the difference between floating and submerged?
Submerged aquatic are present below the water surface. floating plants are present above the water surface.
What are the effects on the body with mass immersed in a fluid which is under motion?
When a body is immersed in fluid under motion, it subjected to Drag and lift forces. Here, CL and CD – Coefficient of lift and drag force respectively. Note: – If fluid is assumed to be ideal and body is symmetrical such as sphere or cylinder, Both drag and lift force will be zero.
Does a submerged surface experiences hydrostatic force?
Hydrostatic forces are the resultant force caused by the pressure loading of a liquid acting on submerged surfaces. The center of pressure is a point on the immersed surface at which the resultant hydrostatic pressure force acts.
Do submerged bodies develop hydrostatic moments that oppose inclinations?
Submerged bodies do not develop hydrostatic moments that oppose inclinations, as they do not develop hydrostatic forces that oppose changes of depth. A fully submerged body presents a special case.
How to address the stability problem of submerged and floating bodies?
To address the stability problem of submerged and floating bodies, the following principles apply: In order for a submerged body to be stable, the body′s center of gravity must lie below the center of buoyancy of the displaced liquid.
What happens when an object is submerged in water?
When we submerge an object in a fluid, an upward force is experienced by the object. The fluid applies this force on the object, which causes it to rise, and we call this force buoyant force. The magnitude of this force is precisely equal to the amount of weight of the liquid displaced.
What is the apparent weight of a body submerged in water?
The ‘apparent weight’ of a submerged body is less than its weight in air or, more strictly, a vacuum. It can be shown that it appears to weigh the same as an identical volume having a density equal to the difference in densities between the body and the liquid in which it is immersed.