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For spheres each of mass  and radius  are placed with  their centers on the four corners and  of a square of side . The  spheres  and  are hollow and  and  are solids. The moment of inertia of the system about side  of square is

a)

b)

c)

d)



Question ID - 54113 | SaraNextGen Top Answer

For spheres each of mass  and radius  are placed with  their centers on the four corners and  of a square of side . The  spheres  and  are hollow and  and  are solids. The moment of inertia of the system about side  of square is

a)

b)

c)

d)

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

(c)

Moment of inertia of a hollow sphere of radius  about the diameter passing through  is

…(i)

Moment of inertia of solid sphere about diameter

                                                             …(ii)

  Moment of inertia of whole system about side

 

127 votes


127