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Any compilation of all classical physics concepts? 
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#1
Feb213, 09:26 PM

P: 273

I understand many classical physics concepts but I feel like my understanding of the concepts are all scattered. I can't seem to make links between concepts. For example: I understand momentum, forces and energy, but I have trouble making any links between the ideas (other than the link that work is just force times a distance). It doesn't help that the concepts are always taught separately and the problems usually only involve a maximum of 2 concepts at a time.
Is there any resource or video like the one below but for classical physics? http://www.youtube.com/watch?v=EX_is9LzFSY Maybe it has to do with my understanding of physics? My current understanding is that classical physics uses not very much calculus, but according to wikipedia: 


#2
Feb213, 11:25 PM

P: 109

Do you know how these formula's were derived?
Knowing just a formula vs. KNOWING a formula (how it was derived, its consequences ect..) will lead to a much deeper knowledge. (you probably know this) Example: What is momentum?  It is the product of the mass of a body and its velocity. How does it relate to force? Well, lets day a force (F) pushes on a body for a time (t), the momentum of the body will be changed by a certain amount (due to how long its pushed on). So we say: Δp=FΔt, then we look at this from calculus differentiate it: F=dp/dt! but then one says, ohh...the change in p depends on a certain time! so, lets factor in t_{1} and t_{2} So then we can say: Δp= from t_{1} to t_{2} [itex]\int[/itex] F(t)dt ! Then you can see from this, we get: F=m(dv/dt) and since we know (dv/dt)=acceleration, then you can say: F=ma, and you have derived Newtons second law MIT has open course ware on physics I and II and they are a wealth of information. Walter Lewin derives many formulas with calculus and algebra. You can find the video's for free on youtube. 


#3
Feb213, 11:31 PM

P: 109

Video 1 of many: https://www.youtube.com/watch?v=PmJV8CHIqFc



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