Somebody wrote on Mon, 13 Jun 2005 08:59:41 -0400:

>
> "Spack" > wrote in message
> ...
>>
>> "Psycho" > wrote in message
>> ...
>>> I didn't get the first part of this but given the equation " A pig
>>> weighs 30lb plus half its weight. How much does the pig weigh?", 60
>>> is the only possible answer as stated below.
>>
>> Mathematically correct.
>>
>> But how about "he weighs nothing because his little hoofs don't have
>> opposable thumbs and he can't lift anything on to the scales"? ;P
>>
>> Dan
>
> He would weigh less on the moon too. So?

But his mass would be the same.

Dan