SaraNextGen.Com

From a circular disc of radius  and mass 9 , a small disc of radius /3 is removed from the disc. The moment of inertia of  the remaining disc about an axis perpendicular to the plane of the disc and passing through  is

a)

b)

c)

d)



Question ID - 100277 | SaraNextGen Top Answer

From a circular disc of radius  and mass 9 , a small disc of radius /3 is removed from the disc. The moment of inertia of  the remaining disc about an axis perpendicular to the plane of the disc and passing through  is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

or                                           …(i)

Here,   

Substituting in Eq. (i), we have

127 votes


127