rotational reactionary forces associated with drive trains which propel vehicles are harnessed and employed to move vehicle sub - components . the motor of a motor driven vehicle is mounted to the frame of the vehicle . the motor includes an output shaft that extends from the motor . the motor functions to rotate the output shaft , which rotation propels the vehicle . the motor further includes a motor housing from which the output shaft extends . the motor housing is pivotally mounted to the frame of the vehicle so as to allow substantial rotation of the motor housing with respect to the frame . the motor housing pivots in response to reactionary forces associated with the rotation of the output shaft . the motor housing interacts with sub - components of the vehicle such that the pivoting of the motor housing imparts motion upon the sub - components , such as air spoilers , suspension members , or trim adjustment devices .