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Beban = 800 N || Lengan Beban = 40cm || Kuasa = 200N
» Ditanya
a. Lengan Kuasa?
b. Keuntungan Mekanik
» Jawab
a. lb.w = lk.F
40cm.800N = lk.200N
lk = 32000:200
lk = 160cm
b. KM = W/F = 800N/200N
KM = 4