3.5.4

Density

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Density

Density is equal to mass divided by volume.

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Density

  • Density is given by ρ=m/V, where the ρ is the Greek letter rho, not a p!
  • m is mass, V is volume.
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Upthrust

  • An object floats in a fluid if the density of the object is lower than the density of the fluid.
  • The force that keeps the object afloat is called upthrust.
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Law of Displacement

  • The Law of Displacement says that an object completely submerged in a fluid (like water) will replace an amount of fluid equal to its own volume.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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