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bouyancy- force of weight of gas fluids.

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16y ago

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What is the bouyancy of a 55 gallon drum?

Approximately 458 pounds.


What is the center of buoyancy?

The center of buoyancy is the center of volume of displaced water of the hull (of a vessel). Gravity pulls down on a floating object. The fluid it is floating on pushes it up and it floats (assuming it is bouyant). Both gravity and bouyancy (the two forces at work) will have an effective center. The center of gravity is not required to be lower than the center of bouyancy and in general most ship's center of gravity is above the center of bouyancy. The ship will heel until the Metacenter (which is a function of the actual Waterplane area) is at or above the center of gravity. It might be advantageous to look at the center of gravity with respect to the center of bouyancy in ship hull stability and thereby get a better grasp of the particulars. Use the link below to our friends at Wikipedia and look at some diagrams concerning the stability of ships in terms of where the centers of bouyancy and gravity are in relation to each other.


What will happens to the time period of simple pendulum if bob of the pendulum is completely immersed in water Explain?

Essentially , a simple pendulum is ignorant of air resistance, its more a tool to calculate gravitational acceleration, immersing it in liquid would introduce a drag force and bouyancy on the bob which alters the net force on the bob (essentially reducing the gravity)


How come some things have bouyancy?

Buoyancy occurs due to the difference in pressure exerted by a fluid on an object submerged in it. When an object is placed in a fluid, it displaces a volume of that fluid; if the weight of the fluid displaced is greater than the weight of the object, the object will float. This principle is described by Archimedes' principle, which states that the upward buoyant force on an object is equal to the weight of the fluid it displaces. Thus, the material properties and shape of the object determine its buoyancy in a given fluid.


Does mean mean average?

No, but sometimes "average" means "mean" - when it doesn't mean median, geometric mean, or something else entirely.