topple

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topple

[′täp·əl]
(mechanics)
In gyroscopes for marine or aeronautical use, the condition of a sudden upset gyroscope or a gyroscope platform evidenced by a sudden and rapid precession of the spin axis due to large torque disturbances such as the spin axis striking the mechanical stops. Also known as tumble.
References in periodicals archive ?
In general, a tall, male dancer topples slightly less rapidly than a small, female dancer.
The results found for how rapidly a "rigid body" dancer topples out of a pirouette are consistent with the observation that most dancers can consistently perform a double turn with enough practice.
Falling is such a serious matter that scientists at the Human Movement and Balance Laboratory at the University of Pittsburgh want to know exactly why some people are more likely to topple over than others are.
Special effects are generally adequate by TV standards - the Golden Gate Bridge collapses impressively enough at the end of Sunday's installment, and the Library Tower topples in Monday's installment.
But a radio station has offered pounds 2000 to anyone who topples the dominoes before the event