2008/11/28 Simon Thompson <[EMAIL PROTECTED]> > Brian Butterworth wrote: > > >> >> lb-force is (was) an imperial measure of force, so they're perhaps >> half-right. > > > Newtons are > m·kg·s-2 > > Which is distance x mass / time squared , lbs is just mass, unless "of > force" is a magical way of saying distance / time squared? > > > > No, in imperial measurements the term pound can be used as a unit of force > or mass, they are different measurements, and their meaning is derived from > context. > > Sometimes pounds-force and pounds-mass if both are being discussed > simultaneously. If you're talking about force, the imperial unit of mass > becomes the slug. >
Wow this is arcane. We only got taught metric SI units at school... > > > > -- > ------------------------------ > *Simon Thompson MEng MIET MIEEE* > Research Engineer (Electronics) > PRINCE2TM Registered Practitioner > <[EMAIL PROTECTED]> > -- Brian Butterworth follow me on twitter: http://twitter.com/briantist web: http://www.ukfree.tv - independent digital television and switchover advice, since 2002
