Mechanical Engineering - Engineering Mechanics - Discussion

Discussion Forum : Engineering Mechanics - Section 4 (Q.No. 48)
48.
Mass moment of inertia of a thin rod about its one end is __________ the mass moment of inertia of the same rod about its mid-point
same as
twice
thrice
four times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Sohan said:   7 years ago
Here ml^2/12+ml^2/4(since here l/2 is the length from mid point to end).

Satyam Gujar said:   7 years ago
MI about its mid point is ml^3/12.
And
MI about its end is =ml^3/3.
So answer D is right.

Santosh said:   8 years ago
It is a Law of parallel axis thoerem.

Mahesh said:   9 years ago
Please anyone explain this.

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