why Value of g is zero at centre of earth
Answers
Answer:
At the centre of Earth, force due to any portion of the Earth at the centre will be cancelled due to the portion opposite to it. Thus, the gravitational force at the centre on any body will be 0. Since, from Newton's law, we know F= mg. ... Thus, the value of g is zero at the centre of the Earth.
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Answer:
The value of g is zero at the center of the earth because the forces from all directions cancel with each other.
Explanation:
At the center of Earth, the force due to the one half of the Earth will cancel the force due to the other half. In the same way, the force due to any part of the Earth at the center will be cancelled due to the part opposite to it. Due to this, the gravitational force at the center on anybody will be 0. From Newton's law, we know that F=mg. Since the mass m of an object can never be 0, when F=0, then g needs to be equal to 0. Thus, the value of g is zero at the center of Earth