simple pendulum

American  

noun

Physics.

1. a hypothetical apparatus consisting of a point mass suspended from a weightless, frictionless thread whose length is constant, the motion of the body about the string being periodic and, if the angle of deviation from the original equilibrium position is small, representing simple harmonic motion (physical pendulum ).

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Example Sentences

A great complexity of surface activity, but all happening as a result of the tick-tock of a simple pendulum.

From Literature

To measure A experimentally, swing the top freely about O in small plane oscillation, and determine the length, l cm., of the equivalent simple pendulum; then l = A/Mh, A = Mhl.

From Project Gutenberg

It will be clear also that it is not possible for the whole energy of the rotating system to work in the reversible process as in the case of the simple pendulum.

From Project Gutenberg

The simple pendulum would be set swinging by the varying attraction and from its amplitude after a known number of swings of the outside pendulums G could be found.

From Project Gutenberg

The lamp was only a rough approximation to a simple pendulum, but Galileo later performed more accurate experiments with a “simple” pendulum which consisted of a heavy ball suspended by a cord.

From Project Gutenberg