Questions
A circular disc X of radius R is made from an iron plate of thickness t and another disc f of radius 4R is made from an iron plate of thickness . Then the relation between the moment of inertia IX and IY is
detailed solution
Correct option is D
MX=ρπR2t and MY=ρ16πR2(t/4)=4MXIYIX=MYRY2MXRX2=641Talk to our academic expert!
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Two discs have mass ratio 1 : 2 and diameter ratio 2 : 1, then find the ratio of their moments of inertia.
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