Your tie-rod ends or ball joints are probably badly worn. Or it could just be air friction pushing your car to one side.....
cause they do
no you did not wind up your car in the 1900s
Bad tires and bad alignment can cause the car to shake at certain speeds.
Shake the vechicle
yes
to make a wind powered car you make a wind powered car
Filling your fuel tank will not make your car shake, unless you got some bad fuel that was contaminated with moisture.
The car shakes because your engin has been cold and you sudenly start the car it will shake
Well, voltage wise, you have a lot going on when your are cranking over the engine, so some flutter, or shake is normal.
Yes, either can cause a shake while driving.
a bad engine
yes