Page 23 - BAHAN AJAR USAHA DAN ENERGI

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Bahan Ajar Fisika Bermuatan Nilia-nilai Karakter Kelas XI
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Latihan1. 1

Kerjakan latihan dibawah ini secara mandiri.

1. Sebuah balok bermassa 10 kg ditarik dengan gaya 50 N sehingga berpindah

sejauh 8 m seperti pada gambar dibawah. Jika = 60° dan gesekan antara balok
dan lantai diabaikan, berapakah usaha yang dilakukan gaya itu?

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2. Perhatikan grafik gayaF terhadap
perpindahan s di samping. Tentukan

usaha total yang dilakukan oleh gaya!

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