****
Drag
****

.. admonition:: Reference
   :class: refbox

   :Panel:     :menuselection:`Physics --> Force Fields`
   :Type:      Drag

A *Drag* force field resists particle motion by slowing it down.


Options
=======

.. TODO2.8
   .. figure:: /images/physics_forces_force-fields_types_drag_panel.png

      UI for a Drag force field.

Linear
   Drag component proportional to velocity.
Quadratic
   Drag component proportional to the square of the velocity.