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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaPhysics concept

This physical quantity is the rate of doing work.

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ScienceOne small aha
Your new ahaPower

Power describes how quickly energy is transferred or work is done. Source: Power (physics) ↗

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More from Physics Essentials

A few more worth knowing.

  1. 16This ratio compares useful energy output with total energy input.RECALL
    Efficiency

    Usually expressed as a percentage

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  2. 17Stretching an ideal spring stores this type of energy.RECALL
    Elastic potential energy

    It depends on stiffness and extension

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  3. 18This broad energy category depends on position or configuration rather than motion.RECALL
    Potential energy

    Gravitational potential is one example

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