Laws of Physics

A physical law describes in general form how the physical quantities that characterize the states of a physical system are related to each other and change, if necessary. Generally, this is expressed in mathematical form.

  • What is a physical quantity

    Physical quantities are used to describe the quantitative properties of physical objects, phenomena, and processes. When studying physical bodies, phenomena,…

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  • What are experience and observation?

    Observation and experience in physics are the two main methods of knowing the laws of nature. observation From time immemorial,…

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