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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 |
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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) |
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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) |
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(b) By doing so the distribution of mass can be made away from the axis of rotation |