# What is the similarity between the motion of a pendulum and motion of revolution of earth?

Pendulum is a periodic motion and the revolution of the earth is also periodic motion.

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Motion of a pendulum is periodic motion. Motion of revolution of earth is rectilinear and rotational motion . The similarity between the motion of a pendulum and the revolution of earth is that it repeats its motion after a fixed interval of time.

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both are periodic motion

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motion of pendulum and motion of earth both are periodic motion

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