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diketahui:
w = 200 N
F = 50 N
h = 1 m
ditanya:
a.) KM?
b.) s?
jawab:
a.) Keuntungan mekanis
KM = w / F
KM = 200 / 50
KM = 4
b.) Panjang bidang miring
KM = s / h
s = KM . h
s = 4 . 1
s = 4,0 m