October 2018 1 424 Report
Sebuah papan AC massanya 40 kg, panjangnya 3 m. jarak AB = 2 m. Seorang anak massanya 25 kg berjalan diatas papan dari A ke C. jarak minimum anak dr titik C agar papan tetap setimbang adalah...m
a. 1,2
b. 0,8
c. 0,6
d. 0,4
e. 0,2
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