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Jawaban:
Στ = rF
50cm x 1200N = 150cm x F
F = 400 N
bila digeser 10 cm ke arah beban, r1 = 50cm - 10cm = 40 cm
40cm x 1200N = 160cm x F
F = 300 N
*maaf klo salah
*biasakan cari jawaban lain utk dibandingkan
Penjelasan:
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