Q: Three rings each of mass P and radius Q are arranged as shown in Fig. The moment of inertia of the arrangement about YY’ will be
(a) $\frac{7}{2} PQ^2 $
(b) $\frac{2}{5} PQ^2 $
(c) $\frac{5}{2} PQ^2 $
(d) $\frac{2}{7} PQ^2 $
Ans: (a)
Science|Math|Engineering
Q: Three rings each of mass P and radius Q are arranged as shown in Fig. The moment of inertia of the arrangement about YY’ will be
(a) $\frac{7}{2} PQ^2 $
(b) $\frac{2}{5} PQ^2 $
(c) $\frac{5}{2} PQ^2 $
(d) $\frac{2}{7} PQ^2 $
Ans: (a)