rosuav at gmail.com
Tue Jul 3 23:54:46 CEST 2012
On Wed, Jul 4, 2012 at 6:13 AM, Dave Angel <d at davea.name> wrote:
> On 07/03/2012 12:05 PM, Mark Lawrence wrote:
>> If I go to the moon I will weigh 2st 10lb (if my sums are correct :)
>> but the equivalent Frenchman will still be 86kg. I hereby put this
>> forward as proof that the metric system is rubbish and we should
>> revert back to imperial goodies.
> 86 kg is not a weight, it's a mass. So it doesn't depend on the local
> gravity situation.
Indeed it is, as he says. But I believe he may be right in that
'stone' is a unit of weight. Hard to be sure, though, given that it's
not an SI unit (for instance, the Wikipedia article text refers to
weight, but its picture shows a man measuring mass).
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