Keller, Joseph M. Department of Physics, Iowa State University, Ames, Iowa.
- Pendulum motion
- Center of oscillation
- Center of percussion
- Pendulum types
- Links to Primary Literature
- Additional Readings
A rigid body mounted on a fixed horizontal axis, about which it is free to rotate under the influence of gravity. The period of the motion of a pendulum is virtually independent of its amplitude and depends primarily on the geometry of the pendulum and on the local value of g, the acceleration of gravity. Pendulums have therefore been used as the control elements in clocks, or inversely as instruments to measure g.
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