Re: [Phys-l] definitions ... purely operational, or not

[Chuck Britton <cvbritton@embarqmail.com>]

Any use of ANY word(s) can be problematic when one is attempting to 
refudiate another person's argument.  ;-)

	(I'm guessing that 'refudiate' will become an 'accepted' word 
in English long after the inventor has faded from the scene.)  But 
let's not argue over what is 'accepted' in English.
.
At 10:30 PM +0800 11/10/10, carmelo@pacific.net.sg wrote:
> Suppose we want to know the weight of a hot-air balloon...
> When we release this balloon, Oops, it has a "free-ascend" instead of 
> "free fall". Does this mean that the weight of a hot-air balloon is 
> negative?
>
> Is not this definition of weight using "free fall acceleration" still 
> problematic? :-)
>
>
> Best regards,
> Alphonsus