Friday, April 02, 2004

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. The scientist Galileo first noted (c. 1583) the constancy of a pendulum's period by comparing the movement of a swinging lamp in

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