The strength of the force in correspondence to the distance of the affected object
https://doc.babylonjs.com/how_to/using_the_physics_engine#further-functionality-of-the-impostor-class
Defines that impulse is constant in strength across it's whole radius
Defines that impulse gets weaker if it's further from the origin
The strength of the force in correspondence to the distance of the affected object
https://doc.babylonjs.com/how_to/using_the_physics_engine#further-functionality-of-the-impostor-class