On 2008-02-13, Jeff Schwab <[EMAIL PROTECTED]> wrote:
> Grant Edwards wrote:
>> On 2008-02-13, Jeff Schwab <[EMAIL PROTECTED]> wrote:
>>
>>>> Eh? Last I checked both pound and kilogram are units of mass, so where is
>>>> the incompatibility?
>>> I've never heard of "pound" as a unit of mass. At least where I went to
>>> school (Boston, MA), "pound" is the English unit of force, "slug" is the
>>> (rarely used) English unit of mass,
>>
>> Back in the day, I was once working on a fire control system
>> for the Navy. All the units in the calculations were purely
>> metric except for one: air density was in slugs/m3. I always
>> suspected that was somebody's attempt at humor.
>
> So what is the mass of a slug, anyway? (I assume this is slug as in
> bullet, not slimy, creeping thing.)
A slug is 14.593903 kg according to the trysty old Unix "units"
program. Hmm, I always thought a slug weighed exactly 32 lbs,
but I see it's 32.174049. Learn something new every day...
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Grant Edwards grante Yow! I feel better about
at world problems now!
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