Penjelasan:
massa buku = 2 kg
gravitasi, g = 10 m/s²
gaya reaksi bumi terhadap buku ?
F reaksi = F aksi
F reaksi = m . g
F reaksi = 2 . 10
F reaksi = 20 N
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Penjelasan:
massa buku = 2 kg
gravitasi, g = 10 m/s²
gaya reaksi bumi terhadap buku ?
F reaksi = F aksi
F reaksi = m . g
F reaksi = 2 . 10
F reaksi = 20 N