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Re: what do you call this in English?
Posted:
Jul 15, 1999 1:05 PM
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On Thu, 15 Jul 1999 17:02:56 GMT, dbredmond1@mmm.com (David Redmond)
wrote:
>On 15 Jul 1999 11:42:46 -0400, spamless@nil.nil wrote:
>
>>Gerald A. Edgar <edgar@math.ohio-state.edu.nospam> wrote:
>>>>
>>>> Sure fine, slugs then.
>>
>>> poundals
>>
>>Which is which? Is the following correct?
>>
>>Slug: unit mass. Under a force of 1 pound it accelerates at 1 ft/sec^2
>>
>>F=ma: m in slugs: F in pounds: a in ft/sec^2
>>
>>Poundal: mass. Weighs one pound on earth.
>>
>>F=ma: m in poundals: F in pounds: a in "G's"
>>
>>(1lb.=1slug*1ft/sec^2=(1/32)slug*(32ft/sec^2)=(1/32slug)*1g
>> =1poundal*1g
>> so 32 poundals=1 slug?)
>>
>>(its something like that ... I may have slug and poundal backwards)
>Try this:
>
>
> SI ft lbm lbf s ft lbm pdl s ft slug lbf s
>cgs
>Mass kilogram pound pound slug
>gram
>Force newton pound poundal pound
>dyne
>
>Credit to
>http://ourworld.compuserve.com/homepages/Gene_Nygaard/weight.htm
>
>which I recommend as a reference for everyone.
repost maybe easier for some readers to display:
SI ft lbm lbf s ft lbm pdl s ft slug lbf s cgs
Mass kilogram pound pound slug
gram
Force newton pound poundal pound dyne
Opinions expressed herein are my own and may not represent those of my employer.
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