Published by:
CGP EDU Academic Team
Published on: August 21, 2026
A metal rod of length 
and negligible mass has two masses tied to its ends. If they have masses 
and 
respectively, then find the location of the point on this rod, where the rotational energy is minimum, when rod is rotated about that point .
A
from 
B
from 
C
from 
D
from 
Text Solution
Verified by ExpertsThe correct answer is:
Rotational energy is minimum when moment of inertia is minimum. If the distance of point is 
from mass 
, then
Now, for minimum value of 
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