Anyways, one aspect of physics that becomes immediately apparent through this picture is the way in which the seat moves form the up position to the down position. Obviously us men will have a little more experience with this but I'm guessing that everyone has had some interaction of this sort (If not, just tell me and I'll explain in further detail). Anyways, the seat falls down or stays up due to a property of physics we just learned, the center of mass in relation to the base of an object. As you all know, every object has a center of mass that basically acts in physics as the only point in which the object has mass. In conjunction with the base of an object, I noticed that the seat falls down because it's center of mass is no longer over the base. As we learned in physics, whenever an object's center of mass is not supported by it's base, it'll fall.
A second mechanic of physics I spotted was torque. The screws that hold your toilet seat to the toilet are acted upon by torque. The circular motion they undergo whenever your seat flips down or back up again is the torque. When the seat is falling down, it's due to gravity exerting a torque on the screws. When it goes back up, it's due to your input of energy exerting a torque. And of course, friction occurs as well , the effects of which are negligible in most cases (but unfortunately not in all.) The combination of these two mechanics, center of mass and torque, was a big surprise to me in something so simple as my toilet. I was impressed by the way that these two aspects interacted. If you want to see these properties in action for yourself, just go to your own bathroom (assuming you own a toilet). Well that's it. Bye.
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