The rod pendulum a pendulum is made by suspending a thin rod of length L and mass M at one end Find the frequency of oscillation for small displacements X CM Physics 121: Lecture 22, Pg 5Physics 121: Lecture 22, Pg 5 The Rod Pendulum A pendulum is made by suspending a thin rod of length L and mass M at one end. Find the frequency of oscillation for small displacements.  L mg z x CM