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4. Sebuah roda pejal jari-jarinya 20 cm dan massanya 5 kg.
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Pada roda itu bekerja momen gaya sebesar 10 Nm. Berapa
besar percepatan sudut roda?
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5. Sebuah yoyo dililit tali cukup panjang dan ditarik oleh gaya
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= 10 N seperti pada gambar.
Massa yoyo 2,5 kg dan jari-jari 10 cm. Percepatan linear pusat
massa yoyo adalah…
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E-Modul Fisika Berbasis Problem Based Learning 90
