Four rods of equal length I and each of mass m form a square as shown in figure.Moments of inertia about three axes 1, 2 and 3 are say I1,I2 and I3• Then, match the following columnsand mark the correct option from the codes given below.Column I(A) I1(B) I2(C) I3Column II(p) 43ml2(q) 23ml2(r ) 12ml2(s) None

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A B Cq s p

A B Cp s q

A B Cr p q

A B Cq s q

answer is D.

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Detailed Solution

( A) I1=2ml212+2(m)l22=23ml2 (B) I2=0+2ml23+ml2=53ml2 (C) I3=4ml23sin245°=23ml2=I1Hence, A→q,B→s,C→q

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