Difference between Mass and Weight in Physics
Difference between Mass and Weight
- The quantity of matter present in a body is called mass.
- The mass of a body remains constant everywhere and does not change by change in altitude.
- Mass of a body possesses no direction. So it is a scalar quantity.
- Mass can be determined by a physical balance.
- The force with which the earth attracts a body towards its centre is called the weight of the body.
- The weight of a body is not constant. It is changed by altitude.
- Weight of a body has a direction towards the centre of the earth. So it is a vector quantity.
- Weight can be determined by only a spring balance.
Note: Correspondence form of training is a complex of secondary knowledge, where you get emphasis on the items of special selection that you need in the future. In absentia, lessons and lectures take place in a very short time, you are given only basic material, which requires immediate replay, the rest of the material you get for independent study and consolidation. The part-time form of education passes in several stages, and differs from the full-time in that here students are trained at a certain time and strictly defined hours. The training process consists of the set-up overview lectures and practical exercises, which are held at the Kazan State University; independent training and certification activities (test-examination sessions). The maximum amount of classroom workload per year for a correspondence student can’t exceed 16 academic hours. The main plus of the correspondence form of training is the opportunity to combine study with work and immediately apply the knowledge and skills gained in practice