# Sandbox.Physics.PhysicsSpring

Spring related settings for joints such as [Sandbox.Physics.FixedJoint](/api/Sandbox.Physics.FixedJoint).

- Kind: struct
- Namespace: `Sandbox.Physics`
- Assembly: `Sandbox.Engine`
- Modifiers: sealed

## Constructors

- [`PhysicsSpring`](/api/Sandbox.Physics.PhysicsSpring/.ctor)

## Properties

- [`Damping`](/api/Sandbox.Physics.PhysicsSpring/Damping): The damping ratio of the spring, usually between 0 and 1
- [`Frequency`](/api/Sandbox.Physics.PhysicsSpring/Frequency): The stiffness of the spring
- [`Maximum`](/api/Sandbox.Physics.PhysicsSpring/Maximum): For weld joints only, maximum force. Not for breaking.