Group: sci.physics.particle
From: "Jeckyl"
Date: Monday, September 10, 2007 1:58 AM
Subject: Re: Another brick in the wall: There's no relativistic mass

"Al in Dallas" wrote in message
news:1ke9e31rcpplq5nk5s7n48d10htn140hru@ ...
> On Mon, 10 Sep 2007 12:09:15 +1000, "Jeckyl"
> wrote:
>
>>"Al in Dallas" wrote in message
>>news:lj28e3latml1kbjpusv08jff27tm032u5u@ ...
>>> On Sun, 9 Sep 2007 22:26:07 +1000, "Jeckyl" wrote:
>>>
>>>>"Autumn D. C." wrote in message
>>>>news: @ ...
>>>>> The definition is wrong. mass is weiht, and heft is a forse.
>>>>
>>>>Speak English .. the language the rest of us are speaking / typing, not
>>>>your
>>>>supposed weird ancient dialect. it just makes you appear to be an
>>>>illiterate fool.
>>>
>>> The same misspellings as Porat!
>>>
>>>>And when it comes to physics, note that mass is not weight (no matter
>>>>how
>>>>you spell it), weight is a force.
>>>
>>> I've seen it argued that those definitions are only used in high
>>> school physics, btw.
>>
>>weight is not mass.
>
> Here's a good explanation where it is
> /homepages/Gene_Nygaard/

We are talking physics: so weight is a force .. it is not mass. The name of
the units doesn't matter.

BTW: the section Balances (weight = mass) is wrong. A balance compares
forces .. and as the gravitation field is the same for both sides, you can
infer that that means the masses are also equal.