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
.png)
|
a) |
Anellipse |
b) |
A circle |
c) |
A parabola |
d) |
A straight line |
Question ID - 100196 | SaraNextGen Answer 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 |
1 Answer - 5876 Votes
3537
Answer Key : (b) -
Answer Link(b)
Let us take any point 
on 
plane. The MI of the rod about 
is
.png)
Hence , 
MI of the rod about 
Applying 
we get an equation of a circle
