Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 4 (Q.No. 1)
1.
The moment of inertia of a given rectangular area is minimum about
Discussion:
5 comments Page 1 of 1.
A Ali said:
4 years ago
Longer axis should be correct.
Harish said:
6 years ago
It will be a longer centroidal axis.
This is because MI = sum of mass elements with their distance squares.
Distance squares sum will be minimum if the axis of rotation/reference is taken as LONGER centroidal axis.
This is because MI = sum of mass elements with their distance squares.
Distance squares sum will be minimum if the axis of rotation/reference is taken as LONGER centroidal axis.
Anburaja said:
7 years ago
Maximum at the major axis.
Minimum at the minor axis.
Minimum at the minor axis.
SUDHANSU BHAGAT said:
7 years ago
BD^3/12. So it's longer is minimum.
Harshad said:
7 years ago
It should be longer centroidal axis.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers