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Rotational Motion. MI Problem...Easy....Help Urgen

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Topic: Rotational Motion. MI Problem...Easy....Help Urgen
Posted By: shilpa123
Subject: Rotational Motion. MI Problem...Easy....Help Urgen
Date Posted: 10Aug2007 at 3:13am
there is a rod of 1m length.....2 masses of 100 gm are attached to its ends..find the MI of the body about the axis perpendicular to its lenght and passin thru centre

please explain how to do it.......answer is not important.......temme how to solve it...


Replies:
Posted By: midhun1987
Date Posted: 05Oct2007 at 1:07am
Originally posted by shilpa123

there is a rod of 1m length.....2 masses of 100 gm are attached to its ends..find the MI of the body about the axis perpendicular to its lenght and passin thru centre

please explain how to do it.......answer is not important.......temme how to solve it...

Posted By: midhun1987
Date Posted: 05Oct2007 at 1:10am
hi
          moment of inertia=m*r^2
    here there  are two bodies       so m=m  m= m and at distances r and r  so mr^2+mr^2=2mr^2
can be concidered as point masses


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