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Question
A square frame ABCD is formed by four identical rods each of mass 'm' and length 'ℓ'. This frame is in X-Y plane such that side AB coincides with X-axis and side AD along Y-axis. The moment of inertia of the frame about X-axis is ______.
Options
`(5"ml"^2)/3`
`(2"ml"^2)/3`
`(4"ml"^2)/3`
`"ml"^2/12`
MCQ
Fill in the Blanks
Solution
A square frame ABCD is formed by four identical rods each of mass 'm' and length 'ℓ'. This frame is in X-Y plane such that side AB coincides with X-axis and side AD along Y-axis. The moment of inertia of the frame about X-axis is `underlinebb((5"ml"^2)/3)`
Explanation:
Moment of inertia of the frame about X-axis.
`"ml"^2/3+"ml"^2/3+"ml"^2`
I = `5/3` ml2
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Inertial and Non-inertial Frames of Reference
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