+A **rigid body** is an idealized solid object where deformation is zero, or so small it can be neglected. Its shape and size remain constant, even when [forces](/wiki/force) act upon it, simplifying the study of its [motion](/wiki/motion) through space.
+## See also
+- [Dynamics](/wiki/dynamics)
+- [Kinematics](/wiki/kinematics)
+- [Mechanics](/wiki/mechanics)
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