LibraryPhysics EssentialsOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaPhysics concept

This quantity equals normal force divided by the area over which it acts.

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Your new ahaPressure

Pressure is force distributed over an area. Source: Pressure

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More from Physics Essentials

A few more worth knowing.

  1. 23This material property equals mass divided by volume.RECALL
    Density

    It helps explain floating and sinking

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  2. 24A fluid exerts this upward force on an immersed object.RECALL
    Buoyant force

    It is related to displaced fluid

    Open this card ↗
  3. 25This principle equates buoyant force with the weight of displaced fluid.RECALL
    Archimedes' principle

    The buoyant force equals the displaced fluid's weight

    Open this card ↗