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A circular disc is to be made by using iron and aluminium, so that it acquires maximum moment of inertia about its geometrical axis. It is possible with

a)

Iron and aluminium layers in alternate order

b)

Aluminium at interior and iron surrounding it

c)

Iron at interior and aluminium surrounding it

d)

Either (a) or (c)


Question ID - 53045 | Toppr Answer

A circular disc is to be made by using iron and aluminium, so that it acquires maximum moment of inertia about its geometrical axis. It is possible with

a)

Iron and aluminium layers in alternate order

b)

Aluminium at interior and iron surrounding it

c)

Iron at interior and aluminium surrounding it

d)

Either (a) or (c)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

By doing so the distribution of mass can be made away from the axis of rotation



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