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Yakk · 01-14-2005, 07:50 AM

Well, there is a bit of confusion.

First of all, both Phage and I are not talking about "rest mass". Photons do not have rest mass.

Good old Baryonic Matter has rest mass. Photons do have mass, but no "rest mass".

If you heat up Baryonic Matter, it's "rest mass" doesn't increase. But, it's mass does.

If you add energy to a system, the system will generate more gravitational force (gravitational mass), and will have a higher inertial mass (it will be 'harder' to change it's velocity).

01-14-2005, 07:50 AM	#44 (permalink)
Yakk Wehret Den Anfängen! Location: Ontario, Canada	Well, there is a bit of confusion. First of all, both Phage and I are not talking about "rest mass". Photons do not have rest mass. Good old Baryonic Matter has rest mass. Photons do have mass, but no "rest mass". If you heat up Baryonic Matter, it's "rest mass" doesn't increase. But, it's mass does. If you add energy to a system, the system will generate more gravitational force (gravitational mass), and will have a higher inertial mass (it will be 'harder' to change it's velocity). __________________ Last edited by JHVH : 10-29-4004 BC at 09:00 PM. Reason: Time for a rest.