chapter 6 air pressure
DESCRIPTION
PPT SAINS TING 2 BAB 6TRANSCRIPT
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CHAPTER 6AIR PRESSURE
(TEKANAN UDARA)
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Teori Kinetik Gas
1. Zarah-zarah dalam suatu jirim sentiasa bergerak atau bergetar.
2. Zarah-zarah gas sentiasa berlanggaran antara satu sama lain.
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Penghasilan Tekanan Udara
1. Udara mempunyai zarah-zarah yang sentiasa bergerak dan berlanggar dengan benda-benda di bumi.
2. Hentaman zarah udara ini menghasilkan tekanan udara atau tekanan atmosfera.
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Faktor-faktor Yang Mempengaruhi Tekanan Udara
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Aplikasi Prinsip Tekanan Udara Dalam Kehidupan Harian
A.
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.
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C.
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Gas Di Bawah Tekanan Tinggi
1. Apabila gas dikenakan tekanan yang sangat tinggi atau disejukkan, gas akan mengkondensasi dan berubah menjadi cecair.
2. Cecair akan menjadi gas semula apabila tekanan dibebaskan
3. Sifat ini digunakan untuk menyimpan gas di bawah tekanan tinggi dalam tangki gas dan tin aerosol.
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