---
title: physicsBody
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/hasphysicsbody/physicsbody
---

# physicsBody

A component that is used for physics simulations of the model entity in accordance with the laws of Newtonian mechanics.

## Declaration

```swift
@MainActor @preconcurrency var physicsBody: PhysicsBodyComponent? { get set }
```