3 ms·
kilograms aren't a measure of weight.
by na85 11y ago
kilograms aren't a measure of weight.
- omegaham 11y agoYou are correct, but when I'm messing around with bumper plates, the red plate says 55kg rather than 539N. If you're not in the lab, a kilogram is simultaneously the mass and the force of gravity of said mass at sea level.
- k__ 11y agoIs "Pound" more like "Newton" than "Gram"?
- 8_hours_ago 11y agoCorrect. Pound -> Newton Slug[1] -> Gram [1]: http://en.wikipedia.org/wiki/Slug_%28mass%29 http://en.wikipedia.org/wiki/Slug_%28mass%29
- Dylan16807 11y agoI've never heard of a slug in my life. Pound by itself usually means mass, but it's interchangeable. Pound-force is a common term. Pound-mass can disambiguate.
- 8_hours_ago 11y agoYes, that is what is most common these days. Unfortunately the "slug" unit never caught on, it's way more fun to say than "pound-mass".
- andrepd 11y agoThey are, in day-to day usage, up to a factor.
- tzs 11y ago> kilograms aren't a measure of weight. When making obnoxious technical corrections in a discussion, there are two things you must do if you wish to avoid simply being a jerk. 1. Your statement must in fact be technically correct. 2. Your statement must be relevant. You have failed on #2. The person you responded to said: This would probably have health implications. 220lb seem more than 100kg Note that nowhere in there did he say anything about "weight". You are simply assuming that he meant "220lb weight seems more than 100kg weight". He could have also meant "200lb mass seems more than 100kg mass". You have also arguably failed in #1. Kg isn't a measure of weight in the SI system. It is a measure of weight in the de facto system people use in the real world, and is defined as the weight of a 1 Kg mass in a 1 g field. Even scientists use this de facto system much of the time.
- dragonwriter 11y ago> kilograms aren't a measure of weight. True, but irrelevant to the comparison of pounds to kg since pounds are both a unit of force (sometimes disambiguated as pound-force) and a unit of mass (sometimes disambiguated as pound-mass), with the former equal to the force due to gravity on an object with the mass of the latter in a 1g field. So, kilograms are directly comparable to pounds (in fact, the pound is defined to be 0.45359237 kg -- and previously, in the US, the kg was defined in terms of the pound as 2.20462 lb -- so its clear that they are measuring the same thing.) Better pedants, please.