Re: [Phys-l] Relativity Question about spring

[John Denker <jsd@av8n.com>]

On 05/09/2007 11:46 PM, carmelo@pacific.net.sg wrote:
> John wrote:
> > It's the same sort of thing: the laws of relativity don't distinguish one type of potential 
> > energy from another.
>
> So, the increase in elastic potential energy of a spring will effectively increase the spring's
> mass. The increase in gravitational potential energy of a muon will increase the muon's mass. If
> a muon is moving towards the earth, its mass would decrease. This seems to be John's conclusion.
> :-)

Raise your hand if anybody besides Alphonsus thinks that's what I said.