Reviews:
 ·AT&T U-Verse
| reply to BonezX
Re: Weights and measures said by BonezX:said by cowboyro:said by DataRiker:Since the term pound is unqualified it can refer to a mass or a force.
The term pound denotes a mass (when we are talking about "weights"). The pound-force term denotes the gravitational force exerted by a 1lb mass on Earth. LB is a measurement of force(weight is called the normal force of an object fyi), the imperial measurement of mass is the slug. According to NIST it's officially defined as a unit of mass. What some people use it as has no bearing over the official definition. |
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 BonezXBasement DwellerPremium
join:2004-04-13
Canada | said by cowboyro:According to NIST it's officially defined as a unit of mass. What some people use it as has no bearing over the official definition.
»en.wikipedia.org/wiki/Slug_%28mass%29
»en.wikipedia.org/wiki/Normal_force
might want to also look outside the united states of stuck in the past, if you did calculations in the scientific community, or about ~90% of the countries in the world in lb you would be laughed at. |
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3 edits | reply to cowboyro
said by cowboyro:According to NIST it's officially defined as a unit of mass. What some people use it as has no bearing over the official definition.
This is a rather silly point since force is defined using mass.
When you understand your circular reasoning get back to me. |
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Reviews:
·AT&T U-Verse
| reply to BonezX
said by BonezX:said by cowboyro:According to NIST it's officially defined as a unit of mass. What some people use it as has no bearing over the official definition.
» en.wikipedia.org/wiki/Slug_%28mass%29» en.wikipedia.org/wiki/Normal_forcemight want to also look outside the united states of stuck in the past, if you did calculations in the scientific community, or about ~90% of the countries in the world in lb you would be laughed at. The pound is the official unit for mass. Not force, mass.
The slug is a derived unit that makes the 1:1 translation between units of time, length and force so that F=m*a |
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4 edits | Force is defined using mass.
If you use pound in science, you will be immediately asked to clarify if you mean force or mass. |
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