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66 - Rotational mechanics Questions Answers

Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE
Asked By: ISHIKA DAS
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Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE
Asked By: ISHIKA DAS
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Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE
Asked By: SUTAPA BHATTACHARYA
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Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE
Asked By: TONY
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Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE

Sir you have discussed a problem earlier krotov 1.23 problem sir you solved that problem by taking a point o on the circle sir but. My question is that can we observe it from centre frame 

Asked By: UJJWAL DWIVEDI
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Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE
Does it depend on whether rod is pinned or hinged with disc. Kindly explain what will happen if it is hinged or pinned, what will be reason for change in moment of inertia
Asked By: SAURABH SHARMA
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Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE
Asked By: AYUSH KAUSHIK
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Joshi sir comment
Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE
Asked By: AYUSH KAUSHIK
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Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE
Asked By: RAM KUMAR
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Joshi sir comment
Physics >> Mechanics part 1 >> Rotational mechanics IIT JEE

Dear Sir kindly help provide the correct approach and solution to solve this 2016 iit jee advanced rotational question. 

Two approaches

For angular velocity about z axis there are two approaches in solutions available in books , internet , first one considering spin angular velocity and revolution angular velocity about z axis itself ; second one considering spin angular velocity and revolution angular velocity perpendicular to rod through O and then calculating angular velocity about z axis  taking cosine component of revolution angular velocity. 

May refer 2nd picture attached. 

Question 
Asked By: RK GUPTA
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