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Hinan Ali Grade: Upto college level
        

What is the method of obtaining the moment of inertia of a cylinder of mass M and radius R and length L through


(i) the centre perpendicular to the length


(ii) end faces and perpendicular to the length.


Please explain.

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear Hinan ali


we know that


  Iz= mr2/2


and Ix + Iy =Iz


by symmetry Ix =Iy


so Ix =Iz/2


        =mr2/4




and from parallel axix theorem  Ix' = Ix + mx2


  so                                         Ix' = Ix + mL2/4


                                                    =mr2/4 + mL2/4




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Badiuddin



7 years ago
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