Physics Laws & Theorems
Intermediate

Archimedes Principle

Buoyant force equals the weight of displaced fluid.

Formula

Fb=ρVgF_b = \rho V g

Variables

\rhoFluid density
VDisplaced volume
gGravity

Example

Why ships float

Did You Know?

Archimedes supposedly leapt from his bath shouting "Eureka!" upon realising buoyancy could test a crown's gold.