Does that auto-update all other related properties or would that just concentrate a ton of kinetic energy into a 1kg mass?

"But you need us for getting around!" "Well, you need us MORE to swing a hammer." How many times in our life you think swinging a hammer is going to be more relevant than moving freely??" "There you have it, my fellow upperbodians, how uppity these lowerbodians can get after weak policies have allowed them to do whatever they want all these years! We tried to be nice and just do the right thing, but I see the only way forward is putting the fear of god in them and any other limbs or organs that refuse to admit our supremacy!" *replaces hammer with saw*