They closed the kettlebell thread just as I'd put ten minutes into writing a reply to that guy! Bad luck. Since this log is dedicated to the edification of it's readers, I'll put my post here as well - it contains good information on strength training.
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Who the fuck brings up photons and neutrinos, etc. when talking about fucking kettlebells?!
What is the fucking point to doing that? They're fucking kettlebells.
It's like going to McDonald's and the cashier starts spewing bullshit about the chemical composition of the cooking oil... who the fuck cares when you just want a hamburger??!!
Fucking ridiculous.
See, the point was to explain that in order to train strength you need to have objects with mass. Mass is a property that, among other things, allows gravity to act upon an object which has said property. As gravity acts upon the object, strength may be trained by repeatedly counteracting the force of gravity, if that force is great enough. A kettlebell has this property, and it seems that kettlebells can be procured that have just about enough mass to be efficient for strength training.
A kettlebell of about 5 kg - a good amount of mass for strength training.
Oil tankers, for instance, are useless for strength training, as their mass is too great to be able to perform strength training with if you are not a blue whale or some such creature, in which case I believe you are not surfing the internet. The sun is another example of an object that has mass too great to use for strength training - its mass is so large that fusion processes take place in it's center, heating it to (for gym purposes) unmanageable levels.
The sun is very hot and has no handles - useless for strength training.
On the other hand, an object can have
too little mass to be useful for strength training (again, if you are a human) - ants, paper clips and matchsticks all have far too little mass to be useful, as the counteraction of the force of gravity acting upon these objects requires so little force as not to provoke adaptation of the muscle mass of the trainee. Neutrinos have so little mass (if any), and no charge, that they are impossible to grip.
Smurfette is far too small to use for strength training, and the ease with which she is supporting that caterpillar suggests that she, in her place, should not be strength training with it as its mass is far too small to put strain on her muscles!
And then, last but not least, we have the photon - a massless object. The above text should help you understand why a massless object is completely useless for strength training. Now, it can be noted that gravity
does act upon photons even if they have no mass, but the manner in which gravity pulls on a photon cannot be counteracted by a force other than opposing gravity - this means that you cannot push on a photon to counteract the gravity acting upon it, which makes it useless for strength training.
Strength training within the context of an RPG or computer game is generally much easier, as all you have to do is kill skeletons, ghosts or other monsters withing the context of the game - weird, as ghosts have no mass, and it seems gravity doesn't act upon them at all!
http://i551.photobucket.com/albums/ii462/:eek::eek::eek::eek::eek:k/oblivion_large_ghost-1.jpg
A ghost as pictured in Bethesda's Oblivion. Whilst it seems to be able to float unsupported, suggesting that lifting it would be very easy, it is worth experience points that the player may use to increase their strength (in the game)!
I hope this post cleared up all misunderstandings you may have been having, and I apologize for coming off as textbookish before - this explanation is more in-depth and should be more on your level.