Injuries also occur from victims being hit with flying objects or colliding with stationary parts of the interior of the vehicle, including the steering wheel, windshield, doors, and dashboard. (jeffbrooketeam.com)
If you have bones and joints, then you've got levers and fulcrums (the stationary parts of levers). (discovermagazine.com)
When the plane wave returns and crosses the molecule, it produces an interference pattern with the stationary part of the electron wave function, like two trains of water waves crossing and forming a checkerboard disturbance. (scientificamerican.com)