The Fig. 90 shows a rigid body oscillating about the pivot \(A\). If \(J\) is mass moment of inertia of the body about the axis of rotation, its natural frequency for small oscillations is proportional to

(a) \(J\)

(b) \(J^{2}\)

(c) \(\frac{1}{J}\)

(d) \(\frac{1}{\sqrt{J}}\).

Transcribed Image Text:

Fig.90 c.g.