Question

any four differentiations between mass and weight

Answer 1

Heya,
 (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 center.   (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).
FRICTION   When a body slides over the surface
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Answer 2

1) Mass is a measurement of the amount of matter something contains, while Weight is the measurement of the pull of gravity on an object. 2) Mass is measured by using a balance comparing a known amount of matter to an unknown amount of matter.

sorry but I have the knowledge of two