- vertical pendulum
- 垂直摆
English-Chinese geology dictionary (英汉地质大词典). 2013.
vertical pendulum
Look at other dictionaries:
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 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 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
Pendulum and Hydrostat Control — is a simple system for automatically controlling the depth in water of a machine. The hydrostat senses the depth, sometimes this initially was with a simple bellows. However, with only a Hydrostat the system would tend to oscillate around the… … Wikipedia
Pendulum (mathematics) — The mathematics of pendulums are in general quite complicated. Simplifying assumptions can be made, which in the case of a simple pendulum allows the equations of motion to be solved analytically for small angle oscillations. Simple gravity… … Wikipedia
pendulum — pendulumlike, adj. /pen jeuh leuhm, pen deuh /, n. 1. a body so suspended from a fixed point as to move to and fro by the action of gravity and acquired momentum. 2. Horol. a swinging lever, weighted at the lower end, for regulating the speed of… … Universalium
Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance … Wikipedia
Pendulum (derivations) — Derivations from Pendulum (mathematics). Analysis of a simple gravity pendulum To begin, we shall make three assumptions about the simple pendulum: * The rod/string/cable on which the bob is swinging is massless, does not stretch, and always… … 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 rocket fallacy — The pendulum rocket fallacy is a common fundamental misunderstanding of the mechanics of rocket flight and how rockets remain on a stable trajectory.Many liquid fuel rockets constructed by the early pioneers of rocketry in the 1920s and 1930s… … Wikipedia
