(a) A metallic bar has a mass 200 g at poles. Does it change when taken to equator? (b) Does its weight change when brought to equator? If yes, how? (c) What would happen if there was no acceleration due to gravity? (d) Differentiate between acceleration due to gravity and universal gravitational constant. Derive a relation between 'g' and 'G'.
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1. Mass remains same through out the universe.so at poles and equator mass 200g will not change. as Radius at equator is more, g value decreases so weight at equator also decreases. ... Hence weight of the object at the Centre of earth will be zero.
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