tolong jawab no.9 #makasi

dik = w= 3kg
w= 3kg.10m/s2
w=30n
lb = 30 cm
lk = 120 cm
dit = m?
jawab = w×lb/lk
30n × 30cm / 120cm
900/120
7.5 n
7.5÷ 10m/s2
0.75 kg

km= lk/lb
120cm/30cm
=4 kali lipat
sori yah kalo salah