Question

What is difference between mass and weight

Answer 1

Mass :- Mass is the actual amount of material contained in a body and is measured in kg, gm, etc.
Weight:- Weight  is the force exerted by the gravity on that object mg.

Answer 2

a). mass means the total amount of substance it have while weight is the force due to which earth attract any body towards it's centre.
b). mass is a scalar quantity while weight is a vector quantity.
c). mass of a body never can be zero while weight can be zero( w = mg).
because g = 0 at centre of the earth.