The figure shows a uniform rod lying along the -axis. The locus of all the points lying on the plane, about which the moment of inertia of the rod is same as that , is
a) |
Anellipse |
b) |
A circle |
c) |
A parabola |
d) |
A straight line |
The figure shows a uniform rod lying along the -axis. The locus of all the points lying on the plane, about which the moment of inertia of the rod is same as that , is
a) |
Anellipse |
b) |
A circle |
c) |
A parabola |
d) |
A straight line |
(b)
Let us take any point on plane. The MI of the rod about is
Hence ,
MI of the rod about
Applying we get an equation of a circle