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Buoyancy Experiment Density Calculator — result sheet
Use mass readings in air and while fully submerged to estimate apparent mass loss, buoyant force, displaced volume, and object density.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Apparent mass loss = mass in air − submerged apparent mass; buoyant force = apparent mass loss × g; displaced volume = apparent mass loss ÷ fluid density; object density = mass in air ÷ displaced volume.
A submerged object appears lighter because the displaced fluid produces an upward force. This experiment worksheet keeps the two scale readings visible, converts their difference into a buoyant force, estimates displaced volume from fluid density, and then calculates object density under the fully submerged static model.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Mass reading in air — kg; minimum 1.0E-6; maximum 1000000
- Apparent mass reading while submerged — kg; minimum 0; maximum 1000000
- Fluid density — kg/m³; minimum 1.0E-6; maximum 1000000
- Local gravitational acceleration — m/s²; minimum 1.0E-6; maximum 100
Worked example
| Input | Value |
|---|---|
| Mass reading in air | 0.00863 |
| Apparent mass reading while submerged | 0.0078 |
| Fluid density | 1000 |
| Local gravitational acceleration | 9.80665 |
The 0.00083 kg apparent mass loss corresponds to about 8.14 mN of buoyant force, 0.00000083 m³ displaced volume, and about 10,397.6 kg/m³ estimated density.
Assumptions and limits
- Both scale readings are mass-equivalent values in kilograms.
- The object is fully submerged and does not touch the container.
- The fluid is static, uniform, and represented by the entered density.
- The suspension, surface tension, trapped bubbles, and instrument bias are neglected.
- The same gravitational acceleration applies to both readings.
- The result is a classroom measurement model, not a certification method for an unknown object.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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