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6. Sebuah kotak yang massanya 20 kg ingin dinaikkan ke dalam truk menggunakan bidang
miring. Tinggi bidang miring tersebut adalah 1 m dan panjangnya adalah 3 m. Hitung gaya
yang diperlukan untuk memindahkan kotak tersebut.
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7. Pada soal nomor 6, hitung keuntungan mekanis bidang miring tersebut.
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Katrol
8. Jelaskan pengertian dari katrol. Tuliskan juga 5 contoh alat yang menerapkan katrol.
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9. Jelaskan pengertian dari katrol tetap.
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10. Gambarkan contoh diagram sederhana dari katrol tetap lengkap dengan keterangannya.
11. Tuliskan persamaan matematis keuntungan mekanis katrol tetap.
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