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Explain why the value of g is zero at the centre of the earth.

February 4, 2024 by Acche Marks

Categories 10 Class, Gravitation, Maharashtra State Board, Science & Technology (Part I)

If the value of g suddenly becomes twice its value, it will become two times more difficult to pull a heavy object along the floor. Why?

Let the period of revolution of a planet at a distance R from a star be T. Prove that if it was at a distance of 2R from the star, its period of revolution will be 8T.

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