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Physics
A circular disc is to be made by using iron and aluminium, so that it aquires momentum of inertia about its geometrical axis. It is possible with
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Q. A circular disc is to be made by using iron and aluminium, so that it aquires momentum of inertia about its geometrical axis. It is possible with
MHT CET
MHT CET 2011
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)
Solution:
By doing so the distribution of mass can be made away from the axis of rotation.