Question:

7.A light rod of length l has two masses m1 and m2 attached to its two ends . The moment of inertia of the system about an axis perpendicular to the rod and passing through the centre of mass is

Options :

  • a) √m1m2l^2
  • b) (m1m2/m1+m2)l^2
  • c) (m1+m2/m1m2)l^2
  • d) (m1+m2)l^2

Answer :

b) (m1m2/m1+m2)l^2

Answer Steps :

Step1 :-

Step2 :-

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