How we worked it out
Updated as you change the numbers.
- Buoyant force = fluid density × volume × g. It floats if that exceeds its weight.
Method and assumptions
A floating object sinks until it displaces its own weight of fluid.
Questions
Does a 7 kg, 10 liter object float in fresh water?
Yes, with about 70% under water.
Sources
Method and figures checked on . Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.