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2. SI base unit - Wikipedia

   en.wikipedia.org/wiki/SI_base_unit

   The SI base units form a set of mutually independent dimensions as required by dimensional analysis commonly employed in science and technology. [citation needed] The names and symbols of SI base units are written in lowercase, except the symbols of those named after a person, which are written with an initial capital letter.

3. List of physical quantities - Wikipedia

   en.wikipedia.org/wiki/List_of_physical_quantities

   This article consists of tables outlining a number of physical quantities. The first table lists the fundamental quantities used in the International System of Units to define the physical dimension of physical quantities for dimensional analysis. The second table lists the derived physical quantities.

4. Lists of physics equations - Wikipedia

   en.wikipedia.org/wiki/Lists_of_physics_equations

   In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.

5. Outline of physics - Wikipedia

   en.wikipedia.org/wiki/Outline_of_physics

   Statistical mechanics – the branch of physics which studies any physical system that has a large number of degrees of freedom. Thermodynamics – the branch of physical science concerned with heat and its relation to other forms of energy and work. Nuclear physics – field of physics that studies the building blocks and interactions of ...

6. Physical quantity - Wikipedia

   en.wikipedia.org/wiki/Physical_quantity

   A physical quantity can be expressed as a value, which is the algebraic multiplication of a numerical value and a unit of measurement. For example, the physical quantity mass, symbol m, can be quantified as m=n kg, where n is the numerical value and kg is the unit symbol (for kilogram). Quantities that are vectors have, besides numerical value ...

7. Action (physics) - Wikipedia

   en.wikipedia.org/wiki/Action_(physics)

   In physics, action is a scalar quantity that describes how the balance of kinetic versus potential energy of a physical system changes with trajectory. Action is significant because it is an input to the principle of stationary action, an approach to classical mechanics that is simpler for multiple objects. [1]