CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

From a uniform circular disc of radius R and mass 9M, a small disc of radius R3 is removed as shown in the figure. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through centre of disc is


A
10MR2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
379MR2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
4MR2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
409MR2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 4MR2


[Using negative mass concept]
1=9MR22⎢ ⎢ ⎢M(R3)22+M(2R3)2⎥ ⎥ ⎥=MR2[9211849]=4MR2

flag
Suggest Corrections
thumbs-up
90
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Problems
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon