Mechanical energy is kinetic and potential energy
=================================================

*Mechanical energy* of a system is equal to the sum of its kinetic energy and
potential energy.

**Conditions:**

#. Kinetic and potential energies are evaluated in the same reference frame.

**Links:**

#. `Wikipedia - Mechanical energy <https://en.wikipedia.org/wiki/Mechanical_energy#General>`__

.. py:currentmodule:: symplyphysics.classical_mechanics.dynamics.energy.mechanical_energy_is_kinetic_and_potential_energy

.. py:data:: mechanical_energy

    :attr:`~symplyphysics.symbols.classical_mechanics.mechanical_energy` of the system.

Symbol:
    :code:`E`

Latex:
    :math:`E`

Dimension:
    :code:`energy`


.. py:data:: kinetic_energy

    :attr:`~symplyphysics.symbols.classical_mechanics.kinetic_energy` of the system.

Symbol:
    :code:`K`

Latex:
    :math:`K`

Dimension:
    :code:`energy`


.. py:data:: potential_energy

    :attr:`~symplyphysics.symbols.classical_mechanics.potential_energy` of the system.

Symbol:
    :code:`U`

Latex:
    :math:`U`

Dimension:
    :code:`energy`


.. py:data:: law

    :code:`E = K + U`


    Latex:
        .. math::
            E = K + U