# Rigidbody 2D

> Learn how Rigidbody 2D works.

Rigidbodies enable physics-based behavior, such as reactions to gravity, mass, drag, and momentum. A Rigidbody 2D is a 2D component you can use to enable an object to act under the control of physics.

| **Page**                                                                                                              | **Description**                                                                                                                                |
| --------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------- |
| [Introduction to Rigidbody 2D](/engine/6000.5/manual/unity2d/2d-physics/rigidbody-2d/introduction-to-rigidbody-2d.md) | Learn how to use Rigidbody 2D in your project and how they interact with Collider 2D components.                                               |
| [Rigidbody 2D body types](/engine/6000.5/manual/unity2d/2d-physics/rigidbody-2d/body-types.md)                        | Choose which Body Type to use to define the behavior of the Rigidbody 2D.                                                                      |
| [Rigidbody 2D Simulated property](/engine/6000.5/manual/unity2d/2d-physics/rigidbody-2d/simulated-property.md)        | Use this property to start or stop a Rigidbody 2D and any attached Collider 2Ds and Joint 2Ds from interacting with the 2D physics simulation. |

## Additional resources

* [3D Rigidbodies](/engine/6000.5/manual/physics-section/physics-overview/rigidbody/rigidbodies-overview.md)
* [API documentation on Rigidbody2D](/engine/6000.5/script-reference/unityengine/rigidbody2d.md)