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Physics LibreTexts

Buoyant Force

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This app shows a simple experiment concerning the buoyancy in a liquid: A solid body hanging from a spring balance is dipped into a liquid (by dragging the mouse!). In this case, the measured force, which is equal to the difference in weight and buoyant force, is reduced.

You can change (within certain limits) the preselected values of the base area, height and densities by using the appropriate text fields. After you have pressed the "Enter" key, the program will indicate the new values of depth, replaced volume, buoyant force, weight, and measured force. A gravitational acceleration of g = 9.81 m/s2 was presupposed.

If you see the words "Maximum exceeded!" (red letters), you have to choose an adequate measuring range.

Sources: https://www.walter-fendt.de/html5/phen/buoyantforce_en.htm

 

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Base area of body: cm²
Height of body: cm
Density of body: g/cm³
Density of liquid: g/cm³  
Draught: 0 cm
Replaced volume: 0 cm³
Buoyant force: 0.00 N
Weight of body: 14.71 N
Measured force: 14.71 N
Measuring range: N
W. Fendt 1998
Law of Archimedes
The buoyant force is equal to the weight of the replaced liquid or gas.

This page titled Buoyant Force is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Walter Fendt.

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