| 单词 | physical pendulum |
| 释义 | physical pendulum (extremely rare) n WORD FAMILY physical pendulum n pendulum consisting of an actual object allowed to rotate freely around a horizontal axis Syn|Hypo|Hyper compound pendulum ballistic pendulum a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity clock penduluma physical pendulum used to regulate a clockwork mechanism gun penduluma ballistic pendulum consisting of a suspended gun; the velocity of a projectile in the bore of a gun can be measured by the recoil when the gun is discharged pendulum an apparatus consisting of an object mounted so that it swings freely under the influence of gravity |
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