"Lêng-liōng" pán-pún chi-kan bô-kāng--ê tē-hng
Guā-māu
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2010-nî 9-goe̍h 22-ji̍t (pài-saⁿ) 20:06 ê siu-tēng-pún
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Lightning_in_Arlington.jpg/240px-Lightning_in_Arlington.jpg)
Lêng-liōng (energy) ê khài-liām sī kóng "hoān-sè ē-tàng chō-chiâⁿ piàn-tōng ê mi̍h". Chin chē só͘-chāi lóng ēng tio̍h chit ê gí-sû; ēng tī kho-ha̍k ê sî, tēng-gī khah cheng-khak; ah nā hui-kho-ha̍k (non-scientific), ì-sù tō khah bô hiah chheng-chhó.
Tī bu̍t-lí-ha̍k, lêng-liōng sī kóng ū châi-tiāu chò kang (mechanical work). Lêng-liōng ū chin chē chióng hêng-sek, chhin-chhiūⁿ ū ūi-lêng (potential energy), ūn-tōng-lêng (kinetic energy), tiān-lêng (electrical energy), téng-téng. Ta̍k chióng hêng-sek ê tan-ūi lóng chham chò kang sio-siâng, la̍t (force) chok-iōng 1 toāⁿ kī-lî. SI ê lêng-liōng tan-ūi sī joule, tō sī 1 newton chok-iōng 1 m hn̄g.
Lêng-liōng mā hō-chò lêng-goân, e-nú-jih.
![]() | Pún bûn-chiuⁿ sī chi̍t phiⁿ phí-á-kiáⁿ. Lí thang tàu khok-chhiong lâi pang-chō͘ Wikipedia. |