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-   -   Is Mass Real? (http://forums.pelicanparts.com/off-topic-discussions/621448-mass-real.html)

Shaun @ Tru6 07-26-2011 04:09 PM
Is Mass Real?
 
or is it just an accumulation of force?

island911 07-26-2011 04:11 PM
"just"?

well, gravity is "just an accumulation of force" . . . but it is not mass.

So hey, how about we have a word for the accumulation of force which makes . .. uhmmm . ..mass?

jluetjen 07-26-2011 04:14 PM
Absolutely!

<iframe width="425" height="349" src="http://www.youtube.com/embed/FE0WgrWrzb8" frameborder="0" allowfullscreen></iframe>

Rob Channell 07-26-2011 04:20 PM
I think it is a reduction in acceleration....

Wanna get bigger? slow down
Wanna lose mass? move faster

flatbutt 07-26-2011 04:22 PM
Quote:
Originally Posted by Rob Channell (Post 6159901)
I think it is a reduction in acceleration....

Wanna get bigger? slow down
Wanna lose mass? move faster
IIRC as you increase speed mass increases as well.

red-beard 07-26-2011 04:35 PM
Quote:
Originally Posted by Shaun 84 Targa (Post 6159872)
or is it just an accumulation of force?
It is an accumulation of energy. More mass = more energy. Lower energy state = less mass.

David 07-26-2011 04:52 PM
Mass is real and not an accumulation of force. If anything, mass resists force. Now if you apply a force to accelerate a mass that's another story.

davidbir 07-26-2011 04:52 PM
Isn't it just a catholic thing anyway....?

island911 07-26-2011 05:00 PM
Quote:
Originally Posted by red-beard (Post 6159941)
It is an accumulation of energy. ...
yes, but to keep one of those packets of energy organized, it seems a force is needed. --that's how I read what he wrote.

DARISC 07-26-2011 05:15 PM
Isn't mass just a term used to quantify the density of matter?

Can there be mass without matter...or, matter without mass?

pwd72s 07-26-2011 05:30 PM
Haven't been to mass since I was a teen...

David 07-26-2011 05:32 PM
We must be really bored!

Many people use mass and weight interchangably but technically they're not.

I mean how many people buy a slug of grapes?

red-beard 07-26-2011 05:34 PM
Energy is force over a distance. Power is energy over time.

Flieger 07-26-2011 06:15 PM
Power is the rate at which work is done- like torque times speed.

Work and energy are equivalent- force over distance. Same units as torque/moment oddly. Foot pounds or pounds feet. My Dynamics professor says the order does not matter.

Who is going to bring up String Theory vs. Standard Model's Higgs Boson?

island911 07-26-2011 06:57 PM
Quote:
Originally Posted by red-beard (Post 6160073)
Energy is force over a distance. Power is energy over time.
Well yeah, if you're going to get all Newtonian on us. But for atomic forces...


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