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W = 250 N
F = 65 N
Lb = 2,5 m
Ditanyakan : L ?
Dijawab :
KM = W/F
= 250/65
= 3,85
Persamaan KM lain
KM = Lk/Lb
3,85 = Lk/2,5
Lk = 3,85 x 2,5
Lk = 9,625 m
Jadi Panjang Tuas :
L = Lk + Lb
= 9,625 + 2,5
= 12,125 m