Two rods each of mass m and length ℓ are joined at the centre to form a cross. The moment of inertia of this cross about an axis passing through the common centre of the rods and perpendicular to the plane formed by them, is :

Question:

14.Two rods each of mass m and length ℓ are joined at the centre to form a cross. The moment of inertia of this cross about an axis passing through the common centre of the rods and perpendicular to the plane formed by them, is :

Options :

a) ml^2/12
b) ml^2/6
c) ml^2/3
d) ml^2/2

Answer :

b) ml^2/6

Answer Steps :

Solution :-

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