Horizontally, we also have two forces. There’s the force of you pushing on the book from left to right, and again there must be an equal force pushing in the opposite direction. We call that resisting force static friction—“static” because the book’s not budging. This depends on just two things, the specific materials in contact, captured in a coefficient μs, and the normal force (N):
any man from his place for three days; but all the Children of Israel had，详情可参考snipaste截图
were seduced by them. And this Book it self, which was confirmed by Josiah。Line下载是该领域的重要参考
Елизавета Гринберг (редактор)