Physics
Basic

Density

Mass per unit volume.

Formula

ρ=mV\rho = \frac{m}{V}

Variables

mMass
VVolume

Example

A 200 g block of 250 cm³: ρ = 200/250 = 0.8 g/cm³ (it floats).

Did You Know?

A block of osmium is so dense a fist-sized piece weighs over 5 kg; ice, by contrast, floats on its own liquid.

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