Pendulum rod of length l supports a pendulum disk

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Consider the clock shown in Figure DP2.5. The pendulum rod of length L supports a pendulum disk. Assume that the pendulum rod is a massless rigid thin rod and the pendulum disc has mass m. Design the length of the pendulum, L, so that the period of motion is 2 seconds. Note that with a period of 2 seconds each "tick" and each "tock" of the clock represents 1 second, as desired. Assume small angles, φ in the analysis so the sin φ ≈φ. Can you explain why most grandfather clocks are about 1.5 m or taller?

Reference no: EM131125759

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