public void setLinearDamping(float linearDamping) {
        constructionInfo.linearDamping = linearDamping;
        rBody.setDamping(linearDamping, constructionInfo.angularDamping);
    }
Sets the friction of this physics object
@param friction the friction of this physics object
jme3-jbullet/src/main/java/com/jme3/bullet/objects/PhysicsRigidBody.java