# data[].attributes.body
Put 45ml of water into a graduated cylinder then drop the hook mass in the cylinder then see how much the water went up by finally divide the starting mass of the object and the volume and you get the density.

# data[].attributes.body
Mass - 50
Volume - 7
Density - 7.14

# data[].attributes.body
Density-  A substance is its mass per unit volume.

# data[].attributes.body
determine the density of the hooked mass.