Density
The density of a substance is equal to the mass of the substance divided by the volume of the substance. The SI set of units for density is kilograms / meters cubed.
Density is a scalar quantity and so has no direction.
The weight density of a substance is equal to the weight of the substance divided by the volume of the substance. The SI set of units for weight density is Newtons / meters cubed.
Density is a scalar quantity and so has no direction.
The weight density of a substance is equal to the weight of the substance divided by the volume of the substance. The SI set of units for weight density is Newtons / meters cubed.