Question

The block of wood on the balance in the figure below is a cube of side 20cm Determine its density in kgm⁻³ 

Answer 1

Volume = 0.2m × 0.2m × 0.2m =0.008m³  
Mass = 1.6Kg 
P= M =   1.6   =200kgm³  
      V     0.008