what is difference between mass and weight of an object. will the mass and weight of an object on the earth be same as their values on Mars? why?
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Mass is quantity of matter in an object , while weight is the pull of gravitational force on an object . The mass is same at anywhere , as it does not depends on gravity . However , the weight will be different value , as it is affected by gravitational force .
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The mass of an object is the amount of matter present in it. It is same everywhere in the Universe and is never zero. It is a scalar quantity and its SI unit is kg. The weight of an object is the force with which the earth (or any other planet/ moon/star) attracts it. It is directed towards the centre of the earth. The weight of an object is different at different places on the earth. It is zero at the earth’s centre. It is a vector quantity and its SI unit is the newton (N). The magnitude of weight = mg.
The mass of an object will be the same on the earth and Mars, but the weight will not be the same because the value of g on Mars is different from that on the earth.
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