Physics

Mass is defined as the quantity of matter present or combined in a body.The mass gives the exact value of a substance regardless of where it is measure.It is measure in kilogram (kg) chemical or beam balance and level balance are used to measure mass. Weight is defined as the earth pull of a body i.e force acting on a body due to gravitational pull of the earth.It is measure in Newtown (N) and it varies from place to place depending on the distance of the object to the centre of the earth.A spri...