zero-gravity switch

zero-gravity switch

[′zir·ō ¦grav·əd·ē ‚swich]
(electricity)
A switch that closes as weightlessness or zero gravity is approached; in one version, a conductive sphere of mercury encompasses two contacts at zero gravity but flattens away from the upper contact under the influence of gravity. Also known as weightlessness switch.
Mentioned in ?
Full browser ?