(a)[2]
The electronic balance uses the weight of the measuring cylinder to find its mass. Weight and mass have different units. State two further ways in which weight differs from mass.
(b)[4]
Describe how the density of the liquid can be found using the apparatus shown in Fig. 1.1.
(c)[2]
A liquid has density $780\,\text{kg m}^{-3}$. Determine the volume of $0.65\,\text{kg}$ of the liquid.