ULANGAN HARIAN IPA 8 BAB TEKANAN Nama : ……………………………… 1. Perhatikan tabel berikut! Tekanan terbesar sesuai dengan tabel di atas, dihasilkan oleh nomor …. 2. Seorang penyelam menyelam pada kedalaman 3 m, massa jenis air 1.000 kg/m 3. konstanta gravitasi pada tempat tersebut adalah 10 m/s2. Besar tekanan hidrostatisnya adalah …. 3. Sebuah batu dengan volume 1 m3 tercelup seluruhnya kedalam air dengan massa jenis 1000 kg/m3. Jika percepatan gravitasi bumi = 10 m/s2, maka batu akan mengalami gaya ke atas sebesar …. 4. Perhatikan gambar berikut ini! Mesin pengangkat mobil hidrolik pada gambar di atas memiliki pengisap masing-masing dengan luas A1 = 15 cm2 dan A2 = 600 cm2. Apabila pada pengisap kecil diberi gaya F1 sebesar 500 N, maka berat beban yang dapat diangkat adalah …. 5. Sebuah benda berada di ketinggian 2 km di atas permukaan laut. Berapa tekanan udara yang diterima benda tersebut! 6. Perbedaan pengangkutan ekstravaskuler dan intravaskuler adalah ........................................ ................................................................................................................................................... 7. Simplas adalah pengangkutan air dan mineral melalui ............................................................ ................................................................................................................................................... 8. Floem adalah jaringan pada tumbuhan yang mengangkut ....................................................... ................................................................................................................................................... 9. Hukum tekanan zat cair pada sistem peredaran darah adalah ................................................. ................................................................................................................................................... 10. Pertukaran antara oksigen dan karbondioksida terjadi secara ................................................. ................................................................................................................................................... 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