4/1/2023 0 Comments Mass definition physics![]() ![]() Mass is quantity of matter possessed by a body?ġ. The mass of an object remains the same everywhere, that is, on the earth or on any planet whereas its weight depends on its location.ġ. It is due to this reason that at a given place, we can use the weight of an object as a measure of its mass. Therefore at a given place, the weight of an object is directly proportional to the mass, say m, of the object, that is,W ∝ m. The value of g is constant at a given place. The weight is a force acting vertically downwards it has both magnitude and direction, so it is a vector quantity. unit of weight is the same as that of force i.e. It is denoted by W.Īs the weight of an object is the force with which it is attracted towards the earth, the S.I. The force of attraction of the earth on an object is known as the weight of the object. The weight of an object is the force with which it is attracted towards the earth. We know that the earth attracts every object with a certain force and this force depends on the mass (m) of the object and the acceleration due to gravity (g). ![]() ![]() Mass of a body is a measure of inertia of the body and hence it is also known as inertial mass. Mass of a body is usually denoted by the small letter ‘m’. Thus, the mass of a body is constant and does not change from place to place. The unit of mass is kilogram.Ī body contains the same quantity of matter whether it be on the earth, moon or even in outer space. The mass of a body is the quantity of matter contained in it.
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