link to download quiz: https://drive.google.com/open?id=0B6eM5b1DDThGZ09DdmNFSms5MHM
This concept is explained concisely by Shirish Kumbhar, IITian Faculty.
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Sir is this question is for neet
how can we go through such these lengthy calculations in such a short time in an xm like jee??
thank you sir…….
sir mass 'm' par friction left ki taraf ku laga?