Help … wheel change important!!

hi, just have a problem here. there is a buddy with his mondeo in front of the door and we would like to make the wheels down (alu wheels) the 5 screws are down. so, how much more. as much as I know now just comes the wheel off. but that’s not possible. wheel doesn’t move a mm! is like stuck. there’s nothing special about ford? am I stupid? quick help would be cool! so please help us. greetings from hdh-city chris