Question

Learning Goal:

To study the undamped vibration of a rigid body.

A slender, uniform metal rod of mass m and length l is pivoted without friction about an axis through its midpoint and in a direction that is perpendicular to the rod. A massless horizontal spring, with spring constant k, is attached to the lower end of the rod; the other end of the spring is attached to a rigid support. (Figure 1)

Part C) What is ωn, the angular frequency of oscillations of the rod?

Figure 〈 1 of 1

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