Answer:
1. 160N
2. 60m/s²
3. 6 kg
Explanation:
1. f=ma
f=8×20
f=160N
2.a=f/m (By rearranging above equation)
a=3/0.05
a=60m/s²
3.m=f/a
m=54/9
m=6 kg
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