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Diketahui :
m = 2 kg
Vo = 10 m/s
s = 100 m
Vt = 30 m/s
Ditanya : Resultan gaya (F) ?
- Cari percepatannya dulu :
Vt^2 = Vo^2 + 2as
30^2 = 10^2 + 2a . 100
900 = 100 + 2a . 100
900 = 100 + 200a
200a = 900 - 100
200a = 800
a = 800 / 200
a = 4 m/s^2
- Resultan gaya yang bekerja :
F = m . a
F = 2 . 4
F = 8 N