Question

If a rock is brought from the surface of the moon then :

a) its mass will change
b) its wieght will change but not mass
c) mass and weight will change
d) mass of the body will change

Answer 1

b)it's weight will change as the gravitational pull of moon is less than of earth's

Answer 2

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The correct answer must be Option B.


Its weight will change but not the mass of that object/stone.

Let's look at how this :

Option A =》 It is definitely wrong that the mass of a body doesn't changes throughout the universe. Because mass id the amount of matter present in an object and the amount of matter doesn't changes according to the Gravitional Force.



Option C =》 This statement is 50% correct and 50% wrong. Because Mass of that object will not change due to matter present in it. The weight of that object can change because there is less force of gravition than present on Earth. So weight will change but not the mass of that body.


Option D =》 Again there is the same option "the mass will change" this statement is also absolutely wrong due to proved as in the Option A.


So there remains the one and only option that is Option B that is "its weight will change but not the mass" . Its weight will change due to the change in the force of gravity. And its mass will not change as it is the amount of matter and amount of matter present remains fixed.





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Hope this helps . . . . . .