What is the difference between the distance traveled by the pendulum and its displacement over the full period?

Let the pendulum oscillate with an amplitude (distance from one extreme point to another) equal to L meters. That is, for the full period (movement “back and forth”), it will cover a path equal to 2 * L meters.

Since the pendulum, in one full period, returns to the same point from which it began to move, its movement will be equal to 0.

Therefore, the distance traveled in 1 period is 2 * L, and the displacement is zero.



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