IPA /\/\/\/\/\/\ ||||||||||||||||| 37 yeeee....

PESAWAT SEDERHANA
• bidang miring

h = 2 m
s = 2,5 m
m = 10 kg
g = 10 m/s²
F = __?

KM = w / F = S / h

gaya dorong
F = (h / S) • w
F = (h / S) • m g
F = (2 / 2,5) • 10 • 10
F = 80 N ← jwb

keuntungan mekanik
KM = S / h
KM = 2,5 / 2
KM = 1,25 ← jwb