Questions
Moment of inertia of a disc of radius R about a diametric axis is 25 kg m-2. The moment of inertia of the disc about a parallel axes at a distance R/2 from the centre is [MPPMT 2013]
detailed solution
Correct option is C
Moment of inertia of a disc about a parallel axes,I=Iv+md2=mR24+md2 (∵a=R and d=R/2)⇒ Moment of inertia, I=mR22=1002 = 50 kg-m2Talk to our academic expert!
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The moment of inertia of a thin uniform rod of mass M and length L about an axis passing through its mid-point and perpendicular to its length is I0 , Its moment of inertia about an axis passing through one of its ends and perpendicular to its length is
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