Rotational MotionHard
Question
The figure shows a uniform rod lying along the x-axis. The locus of all the points lying on the xy-plane, about which the moment of inertia of the rod is same as that about O is :


Options
A.an ellipse
B.a circle
C.a parabola
D.a straight line
Solution
IP = ICM + Mr2 =
+ M
I0 =
⇒Locus is a circle

I0 =

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