For quicker problem solving in mechanicsone should know 1st year engineering level concepts like DAlemberts principle,Work Energy principle,virtual work priniple, concept of centreof mass etc.Plz suggest some books which have this approach.Also suggest some 1st year engineering mechanics books which can be solved by a +2 student.

Dear Sougat,

For that purpose ML Khannna is a good book.

Cracking IIT just got more exciting,It s not just all about getting assistance from IITians, alongside Target Achievement and Rewards play an important role. ASKIITIANS has it all for you, wherein you get assistance only from IITians for your preparation and win by answering queries in the discussion forums. 

http://www.askiitians.com/packages/packages.aspx

So start the brain storming…. become a leader with Elite Expert League ASKIITIANS

Thanks

Aman Bansal

Askiitian Expert

Refer these URLs contains some useful books for u,

http://books.google.co.in/books?id=IhwgAQAAIAAJ&q=D%27Alembert%27s+principle+BooKS&dq=D%27Alembert%27s+principle+BooKS&hl=en&sa=X&ei=jlYeUZegHoq3rAf5woDoDg&ved=0CCUQ6AEwAA

http://books.google.co.in/books?id=Ras1wqwuxT0C&pg=PR13&dq=Work+Energy+principle&hl=en&sa=X&ei=yVYeUdP2F43jrAfc_YGoCg&ved=0CCIQ6AEwAA#v=onepage&q=Work%20Energy%20principle&f=false

http://books.google.co.in/books?id=JM5bc-2CuC0C&pg=PA278&dq=virtual+work+principle&hl=en&sa=X&ei=AVceUYmCNMuOrgfNnYDIBw&ved=0CCUQ6AEwAA#v=onepage&q=virtual%20work%20principle&f=false

http://books.google.co.in/books?id=FMo0qgTWc_cC&pg=PA121&dq=concept+of+centre+of+mass&hl=en&sa=X&ei=I1ceUZGxMYa4rAeDl4DYDw&ved=0CCIQ6AEwAA#v=onepage&q=concept%20of%20centre%20of%20mass&f=false

All d Best!!!!