suppose roy is driving his car at 60 mph and is not wearing his seatbelt, he is a bit sleepy,and dozes off for a second, and crashes into a brick wall.he is thrown forward through the windshield.is there a force that pushes roy through the window?if so, what causes this force?if not,why does he go through the window?

Newtons first law: things moving tend to keep moving even when the car they are in is stopped.