8 Differences Between Mass and Weight

Mass of a body is the quantity of matter contained in a body. 
Weight of a body is the force with which the body is attracted towards the centre of the earth.

Mass vs Weight


1. Refers to the quantity of matter in an object.
2. Mass is independent of gravity.
3. It is the result of comparison of an unknown mass with a known mass called standard mass.
4. Mass is an extensive property. The fundamental unit of mass in the metric system is gram.
5. It is measured in kg in SI units.
6. Mass resists motion.
7. It is a scalar quantity.
8. It is measured with the help of physical balance

1. Is the force of gravity on an object. Weight = Mass X Acceleration due to gravity
2. Weight is dependent of gravity.
3. Gravity is not constant throughout the earth. So weight may vary from one place to the other.
4. When gravity is constant, mass is directly proportional to weight.
     Mass α weight, when gravity is constant.
5. It is measured in newton in SI units.
6. Weight produces motion. 
7. It is a vector quantity.
8. It is measured  by using a spring balance.
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