pendulum bob
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Pendulum bob — Pendulum Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the… … The Collaborative International Dictionary of English
Pendulum — Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the movements … The Collaborative International Dictionary of English
Pendulum level — Pendulum Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the… … The Collaborative International Dictionary of English
Pendulum wheel — Pendulum Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the… … The Collaborative International Dictionary of English
Bob — may refer to:* A diminutive of Robert * Bob (physics), the weight at the end of a pendulum * BOB (band), a UK indie pop band * Bob (song), a song by Weird Al Yankovic from Poodle Hat * Bob , a song by the Red Hot Chili Peppers from the album One… … Wikipedia
Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance … Wikipedia
Bob (physics) — A bob is the weight on the end of a pendulum.The use of a weight concentrated in a small, compact object enables the centre of gravity to be positioned close to the physical end of the pendulum, which minimises the length of pendulum required for … Wikipedia
Pendulum clock — A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world s most accurate timekeeper, accounting for its… … Wikipedia
pendulum watch — noun (18th century) a watch with a balance wheel having a fake pendulum attached to it • Hypernyms: ↑watch, ↑ticker * * * noun : a late 18th century watch with a mock pendulum attached to a concealed balance wheel and showing through a curved… … Useful english dictionary
pendulum watch — (formerly) a watch having a balance wheel, esp. a balance wheel bearing a fake pendulum bob oscillating behind a window in the dial. [1655 65] * * * … Universalium
Bob — (b[o^]b), n. [An onomatopoetic word, expressing quick, jerky motion; OE. bob bunch, bobben to strike, mock, deceive. Cf. Prov. Eng. bob, n., a ball, an engine beam, bunch, blast, trick, taunt, scoff; as, a v., to dance, to courtesy, to disappoint … The Collaborative International Dictionary of English
