Fluids and gases

Density and specific gravity

ρ = m/V  ·  SG = ρ/ρwater

ρ density, m mass, V volume; ρwater = 1 g/cm³ = 1,000 kg/m³

Watch forSG above 1 sinks in water; for a floating object, SG = fraction submerged.

Apply it · 3 questions

  1. Buoyancy: fraction of a floating object submergedFluids and gases · set 1 · easy
  2. Specific gravity: sink or float?Fluids and gases · set 2 · easy
  3. Finding density from apparent weightFluids and gases · set 2 · medium