In the case of tidal power,

來源: AnaZhang 於 2010-05-27 09:30:02 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (259 bytes)
回答: The moving water moves something in a generator 由 AnaZhang 於 2010-05-26 18:34:47

the water's motion comes mostly from the gravity of the moon and the sun (mainly the moon), which exert non-negligible forces on the oceans. As the Earth rotates and the moon orbits, the gravity is exerted on different parts of the Earth, causing the tides.

請您先登陸，再發跟帖！