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Buoyant force
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- 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.
www.britannica.com/science/Archimedes-principle
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When they say pressure remains the same at a given height, does it mean that weight will be 2.5 kg/cm² in all 3 scenarios, where volume is 3000, 2000, or 4000 litres (base area 2000 cm², height 15 m constant)? How is it possible? Where am I wrong?
Oct 21, 2024 · Define pressure in terms of weight. Explain the variation of pressure with depth in a fluid. Calculate density given pressure and altitude. If your ears have ever popped on a plane flight or ached during a deep dive in a swimming pool, you have experienced the effect of depth on pressure in a fluid.
Archimedes' principle (also spelled Archimedes's principle) states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially, is equal to the weight of the fluid that the body displaces. [1] Archimedes' principle is a law of physics fundamental to fluid mechanics.
Sep 16, 2024 · The weight of the displaced portion of the fluid is equivalent to the magnitude of the buoyant force. The buoyant force on a body floating in a liquid or gas is also equivalent in magnitude to the weight of the floating object and is opposite in direction; the object neither rises nor sinks.
- The Editors of Encyclopaedia Britannica
- King Heiron II of Syracuse had a pure gold crown made, but he thought that the crown maker might have tricked him and used some silver. Heiron aske...
- 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...
- Archimedes’ principle is very useful for calculating the volume of an object that does not have a regular shape. The oddly shaped object can be sub...
- The buoyancy force (B) is equal to the weight (W) of the fluid that a body in that fluid displaces. The weight W can be written in terms of the den...
Since this weight is supported by surrounding fluid, the buoyant force must equal the weight of the fluid displaced. Archimedes’ principle refers to the force of buoyancy that results when a body is submerged in a fluid, whether partially or wholly.
First, the region has a force of gravity acting downwards (its weight) equal to its density object, times its volume of the object, times the acceleration due to gravity. The downward force acting on this region due to the fluid above the region is equal to the pressure times the area of contact.
The average pressure p due to the weight of the water is the pressure at the average depth h of 40.0 m, since pressure increases linearly with depth. The force exerted on the dam by the water is the average pressure times the area of contact, solution. The average pressure due to the weight of a fluid is
