Calculation formula of physical buoyancy

Calculation formula of physical buoyancy

There are three common methods
1. Gravity difference method (weighing method) f floating = G-F (G is the gravity of the object in the air, f is the gravity of the object in the liquid)
2. Formula method (Archimedes principle) f floating = g row = m row g = ρ liquid GV row
3. Floating or suspension condition method: that is, f floating = g floating when floating or suspending