Question

List three differences between mass and weight of an object.

CBSE Class IX Science SA 2 (3 Marks)

Answer 1

1.mass means matter contained in a body but weight is the force with which a body is attracted toward the centre of earth
2.it is constant and weight is not constant
3.it not changese place to place it changes

Answer 2

S. No.
Mass
Weight
1.
It is the amount of matter contained in a body.
It is the force (of gravity) with which a body is attracted towards the Earth.
2.
It is a scalar quantity.
It is a vector quantity.
3.
Mass of an object is constant at all places.
Weight of a body is variable and changes from place to place (due to the change in the acceleration due to gravity).
4.
Its S.I. unit is kilogram.
Its S.I. unit is Newton.
5.
It is measured by physical balance.
It is measured by using a spring balance.
6.
Mass of a body is never zero.
Weight of a body is zero at the centre of the Earth.