A uniform thin rod is bent in the form of closed loop ABCDEFA as shown in the figure. The ratio of inertia of the loop about x-axis to that about y-axis is:

                        

1.  >1

2.  <1

3.  =1

4.  =1/2

Concept Videos :-

#10 | Moment of Inertia (MI): Introduction
#11 | MI: Discreet Particles
#12 | MI: Continuous Bodies_1
#13 | MI: Questions on Continuous Bodies
#14 | MI: Continuous Bodies_2
#15 | Theorems of Moment of Inertia
#16 | Questions on Theorems of MI
#17 | Set 1: Previous Year Problems

Concept Questions :-

Moment of inertia

Let mass of length r=mThen, mass of length πr=πmAnd, mass of length 2πr=2πmIxx=πmr24+2πm2r24    =9πmr24Iyy=πmr24+2πm2r24+2mr212+m3r22     =9πmr24+286mr2IxxIyy<1

Difficulty Level:

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