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Verified answer
25. D26.
Diketahui:
Massa balok = 15kg
Percepatan setelah didorong = 4 m/s²
Ditanya: Jika massa balok +20, percepatan = ...?
Jawab:
Cari F dulu
F = a.m
F = 4 . 15
= 60 N
Tambah massa balok jadi 20 kg
Terus cari percepatannya (a)
a = F/m
a = 60/20
= 3 m/s²