alt Hacker News> Putting your hand out of the window and then blocking the wind with a book doesn't make the car slow down.
Technically the book would add drag and the car would slow down but likely imperceptibly to a mere mortal
> Putting your hand out of the window and then blocking the wind with a book doesn't make the car slow down.
Technically the book would add drag and the car would slow down but likely imperceptibly to a mere mortal
Assume the book is the same form and size as the hand (though very thin).