Question

define mass and weight

Answer 1

I hope it helps you dear

Answer 2

hey there !!

Mass : It is the quantity of matter concentrated in the body . And mass of body doesn't change any where in the universe .
Unit of mass is kilograms (kg)

weight : It is force exerted by the earth towards it's centre . And weigh of body changes from place to place .
Unit of weight us newton(N)

W = m×g

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