Question

Mass of body is always constant.Why?
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Answer 1

Answer:

When a body is at rest and it has some mass it's called inertial mass because the body is in a state of inertia of rest and this mass is always constant. Put anywhere in the universe we will see this inherent property mass never changes its same everywhere in the universe.

Explanation:

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Answer 2

Explanation:

)Mass of body =quantity of matter in the body, which is constant. (ii)quantity of matter in the body is fixed. It can not be reduced to zero.