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A disc has mass 9M. A hole of radius R/3 is cut from it as shown in the figure. The moment of inertia of remaining part about an axis passing through the centre `O' of the disc and perpendicular to the plane of the disc is :
                           
  [JEE'(Scr) 2005]
  • a)
     8MR2
  • b)
    4 MR2
  • c)
     
  • d)
     
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A disc has mass 9M. A hole of radius R/3 is cut from it as shown in th...
The moment of inertia of complete disc about a perpendicular axis passing through center O is,
The mass of cut out disc if radius R/3 is,
 
Now, using the theorem of parallel axis, the moment of inertia of cut out disc about the perpendicular axis passing through center O is,
 
The moment of inertia of residue disc is, 
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A disc has mass 9M. A hole of radius R/3 is cut from it as shown in the figure. The moment of inertia of remaining part about an axis passing through the centre `O of the disc and perpendicular to the plane of the disc is : [JEE(Scr) 2005]a)8MR2b)4 MR2c)d)Correct answer is option 'B'. Can you explain this answer?
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A disc has mass 9M. A hole of radius R/3 is cut from it as shown in the figure. The moment of inertia of remaining part about an axis passing through the centre `O of the disc and perpendicular to the plane of the disc is : [JEE(Scr) 2005]a)8MR2b)4 MR2c)d)Correct answer is option 'B'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A disc has mass 9M. A hole of radius R/3 is cut from it as shown in the figure. The moment of inertia of remaining part about an axis passing through the centre `O of the disc and perpendicular to the plane of the disc is : [JEE(Scr) 2005]a)8MR2b)4 MR2c)d)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A disc has mass 9M. A hole of radius R/3 is cut from it as shown in the figure. The moment of inertia of remaining part about an axis passing through the centre `O of the disc and perpendicular to the plane of the disc is : [JEE(Scr) 2005]a)8MR2b)4 MR2c)d)Correct answer is option 'B'. Can you explain this answer?.
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