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w = 1.500 N
s = 50 cm = 0,05 m
Panjang tuas = 3 m
Lb = 2 m
Lk = 1
Penyelesaian :
a. KM = Lk/Lb
= 1/2
= 0,5 m
b. F x Lk = W x Lb
F x 1 = 1.500 x 2
F = 3000 N
c. W = F x s
= 3000 x 0,05
= 150 J