**Rotational inertia (Kinematics)**
===================================

Rotational inertia is a quantity that determines the torque needed for a desired angular
acceleration about a rotational axis.

.. py:currentmodule:: symplyphysics.laws.kinematics.rotational_inertia

**Contents:**

.. toctree::
    :maxdepth: 4

    laws.kinematics.rotational_inertia.geometries
    laws.kinematics.rotational_inertia.rotational_inertia_about_axis_and_through_center_of_mass
    laws.kinematics.rotational_inertia.rotational_inertia_is_additive
    laws.kinematics.rotational_inertia.rotational_inertia_of_particle