MASS WEIGHT
| (1) The quantity of matter in a body is called its mass. | (1) Weight is the force by which the earth attracts a body towards its centre. | |
| (2) Mass is a scalar quantity. | (2) Weight is a vector quantity and is always directed towards the center of the earth. | |
| (3) Mass of a body is always constant every where in the universe. | (3) Weight of a body vary place to place and become zero on the center of earth and far away from the surface of earth. | |
| (4) Mass of a moving body is m=F/a. | | (4) Weight of a body is W = mg. |
| (5) Mass can be determine by an ordinary balance. | (5) Weight of a body is measured by spring balance. | |
| (6) Unit of mass in S.I system is KILOGRAM (kg). | (6) Unit of weight in S.I system is NEWTON (N). |
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