单词 | torsional pendulum |
释义 | torsional pendulum [`tȯr·shǝn·ǝl `pen·jǝ·lǝm] MECHANICS A device consisting of a disk or other body of large moment of inertia mounted on one end of a torsionally flexible elastic rod whose other end is held fixed; if the disk is twisted and released, it will undergo simple harmonic motion, provided the torque in the rod is proportional to the angle of twist. Also known as torsion pendulum. |
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