Re: Mass of a compressed spring

"Ka-In Yen" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Is a compressed spring more mass than a relax one?

Yes.

> I think this is an important question for the new millennium.

And was theoretically answered during the last.


> Is there any experiment to solve this problem?

Try a back of the envelope calculation before you build the apparatus.