Math Chapter Wise Statics And Dynamics English MCQ UP PGT 2021 Q.Moment of inertia of a hollow sphere about a diameter whose mass is M and radius a, is AM. 2 2a 3 BM. 2 2a 5 CM. 2 a 4 DM. 2 a 3 Show answer Correct answer: M. 2 2a 3