Energy Changes in Falling WaterYou

Energy Changes in Falling Water
You might have stood close to a large waterfall and heard the roar of the water. Just like a ball falling to the ground, the potential energy that the water has at the top of the falls is transformed into kinetic energy as the water falls downward. The kinetic energy of falling water can be used to generate electricity.As shown in Figure 9, water backs up behind a dam on a river, forming a lake or reservoir. The water near the top of the dam then falls downward. The kinetic energy of the moving water spins generators, which produce electricity. The potential energy of the water behind the dam is transformed into electrical energy.

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Energi Perubahan Falling Water
Anda mungkin telah berdiri dekat dengan air terjun besar dan mendengar deru air. Sama seperti bola jatuh ke tanah, energi potensial bahwa air memiliki di bagian atas air terjun berubah menjadi energi kinetik air jatuh ke bawah. Energi kinetik air jatuh dapat digunakan untuk menghasilkan electricity.As ditunjukkan pada Gambar 9, air punggung belakang bendungan di sungai, membentuk danau atau waduk. Air di dekat bagian atas bendungan kemudian jatuh ke bawah. Energi kinetik air bergerak berputar generator, yang menghasilkan listrik. Energi potensial air di belakang bendungan diubah menjadi energi listrik.