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Subject:
From:
Chris Salter <[log in to unmask]>
Reply To:
HISTORICAL ARCHAEOLOGY <[log in to unmask]>
Date:
Mon, 6 Jan 2003 18:07:28 +0000
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text/plain
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Jim,

        It is not, you have forgotten the unit of force the Newton.  A pascal is 1 newton per square
m (1 newton = 1 kg m per sec per sec)

Jim Bowles wrote:

> Hi all,
>
> An item worth considering .. there's a sever draw back associated with total metrification.
>
> The metric pressure unit, for instance, is the Pascal .. OK! How do you use it? ... You convert!
>
> The English pressure unit is the psi, {# / sq in} being the equation for determining pressure or
> stress from area and force. Similarly fuel economy {I.e., miles per gallon} is the equation
> MI/gal used to determine it.
>
> Work is {force x distance} = energy = force x height  = 1/2 v^2 x {force/gravity}, etc.
>
> The point being that the basis of everything, Newtonian, is force.
>
> This relationship is lost in the metric system.
>
> jb

--
Chris Salter,
Department of Materials Characterisation Services,
Begbroke Business and Science Park,
Sandy Lane, Yarnton, Oxford, OX5 1PF
Tel 01865 283722, EPMA 283741, Mobile 07776031608

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