Rotational inertia of a particle ================================ Rotational inertia of a rotating particle is defined as the product of its mass and the squared radius of rotation. **Links:** #. `Wikipedia, third equation `__. .. py:currentmodule:: symplyphysics.laws.kinematics.rotational_inertia.rotational_inertia_of_particle .. py:data:: rotational_inertia :attr:`~symplyphysics.symbols.classical_mechanics.rotational_inertia` of the particle. Symbol: :code:`I` Latex: :math:`I` Dimension: :code:`length**2*mass` .. py:data:: distance_to_axis :attr:`~symplyphysics.symbols.classical_mechanics.distance_to_axis`, or radius of rotation. Symbol: :code:`r` Latex: :math:`r` Dimension: :code:`length` .. py:data:: mass The :attr:`~symplyphysics.symbols.basic.mass` of the particle. Symbol: :code:`m` Latex: :math:`m` Dimension: :code:`mass` .. py:data:: law :code:`I = m * r^2` Latex: .. math:: I = m r^{2}