Yes, it’s from a book called “Uncle John’s Bathroom Reader” and that book was resting on a closed toilet seat in a nation that only kind of uses the metric system in certain situations… however, you’d be surprised how much you can learn after a single visit to any local fast-food joint!
So we only know a kilogram of water weighs a kilogram because of an arbitrary decision by the French? How much does it really weigh?
It doesn’t even weigh a kilogram. It masses one kilogram. It’s weight will be something like 9.8 Newtons.
Ever since that dude translated the Rosetta stone they’ve been up their own asses.