Mr.Dixon is building a toy boat for his son.
He has three different planks of wood to choose from.
Plank A
Volume = 750cm³
Mass=900g
Plank B
Volume = 0.0152m³
Mass = 7.6kg
Plank C
Volume = 1000cm³
Mass = 1.02kg
If wood has a density under 1g/cm³, it will float.
Which plank of wood is the most suitable?
Explain your answer.