What are the differences between the mass of an object and its weight?
| Mass | Weight |
| Mass is the quantity of matter contained in the body. | Weight is the force of gravity acting on the body. |
| It is the measure of inertia of the body. | It is the measure of gravity |
| Mass is a constant quantity. | Weight is not a constant quantity. It is different at different places. |
| It only has magnitude. | It has magnitude as well as direction. |
| Its SI unit is kilogram (kg) | Its SI unit is the same as the SI unit of force, i.e., Newton (N) |
