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m = 400 kg
s = 2 m
vo = 36 km/jam
Vt = 0 m/s
Ditanyakan : F ?
Dijawab :
Vo = (36 x 1000)/3.600 = 10 m/s
Perlambatan :
Vt² = Vo² - 2 x a x s
0² = 10² - 2 x a x 2
0 = 100 - 4 a
a = 100/4
a = 25 m/s²
Jadi Gaya pengereman :
F = m x a
= 400 x 25
= 10.000 N