# Buoyant Body Drag

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## Introduction

![](https://4053370152-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MZWu8yFOWhCYCMkJFmR%2Fuploads%2FmFuvSQY2MwPWXWplRCm4%2Fimage.png?alt=media\&token=2c1e8f7c-cef8-4f7a-ac59-d828b671ae47)

Modifies the drag effect applied to a body based on the portion of that body that is submerged under a Surface Tool.

## Fields and Attributes

### Surface Linear Drag

The amount of linear drag applied to the portion above the surface line

### Subsurface Linear Drag

The amount of linear drag applied to the portion below the surface line

### Surface Angular Drag

The amount of angular drag applied to the portion above the surface line

### Subsurface Angular Drag

The amount of angular drag applied to the portion below the surface line

## Methods

### Update Drag

Updates the drag according the state of the body. this is called automatically by the attached [Buoyant Body](https://kb.heathen.group/old-kb/toolkit-for-physics/physkit/components/buoyant-body).