# rigidbody

> The Rigidbody we hit (Read Only). This is null if the object we hit is a collider with no rigidbody attached.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

```csharp
public Rigidbody rigidbody { get; }
```

### Examples

```csharp
using UnityEngine;

public class ExampleScript : MonoBehaviour
{
    // Make all rigidbodies we touch fly upwards
    void OnCollisionStay(Collision collision)
    {
        // Check if the collider we hit has a rigidbody
        // Then apply the force
        if (collision.rigidbody)
        {
            collision.rigidbody.AddForce(Vector3.up * 15);
        }
    }
}
```