what is pendulum❓❔❓❔❓
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A weigh hung from a fixed point so that it can swing freely , especially a rod with a weight at the end that regulates the mechanism of a clock .
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Pendulum, body suspended from a fixed point so that it can swing back and forth under the influence of gravity. Pendulums are used to regulate the movement of clocks because the interval of time for each complete oscillation, called the period, is constant.
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