Mass | Weight |
---|---|
A measurement of the amount of substance in a body. | A measurement of the amount of gravitational force acting on a body |
SI Unit: kilogram (kg) | SI Unit: newton (N) |
Constant regardless of the gravitational field strength | Varies according to the gravitational field strength |
Measured by a beam balance or electronic balance | Measured by a spring balance |
Scalar quantity | Vector quantity |