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**1. The problem statement, all variables and given/known data**

A uniform meter stick of mass M is pivoted on a hinge at one end and held horizontal by a spring with spring constant k attached at the other end. If the stick oscillates up and down slightly, what is its frequency?

**2. Relevant equations**

τ=rFsinθ

f=(1/2π)√(k/m)

F=kx

x=Acos(ωt)

**3. The attempt at a solution**

I'm really not sure how to get started on this one. If you could just provide me with a little start, I might be able to figure it out. Thanks.

The answer, according to the textbook, is (1/2π)sqrt(3k/m)