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m = 2kg
Vo = 12 m/s
t = 4
Vt = 0
Dit : Fg ?
dijawab :
a = (Vot-Vo)/t
= (0-12)/4
= -12/4
= -3 (tanda mines menunjukkan proses perlambatan)
jadi a = 3
F - Fg = m x a
(mxa) - Fg = mxa
(2x3) - Fg = 2 x 3
6 - Fg = 6
Fg = 6-6
Fg = 0