Pendulum. 82 劉威宏 83 劉致毅 86 劉書君 89 賴勇仁 . Pendulum. A gravity pendulum is a weight on the end of a rigid or flexible line or rod, which, when given some initial lift from the vertical position, will swing back and forth under the influence of gravity over its central (lowest) point.
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86 劉書君 89賴勇仁
He timed the length of the pendulum's swing, or oscillation, with his pulse and made an interesting discovery.
No matter how far the chandelier swung, the length of time it took for one oscillation was always the same.
Make string oscillating along with the same cycloid
To reduce error
Weep no more , no sigh , nor groan. Sorrow calls no time that's gone
The time of life is short ; to spend that shortness basely, it would be too long .
Do you love life ? Then do not squander time ; for that's the stuff life is made of .