Question

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

Answer 1

Answer:

At the centre of Earth, the force due to upper half of the Earth will cancel the force due to lower half. ... Therefore, when F=0, then g has to be 0. Thus, the value of g is zero at the centre of Earth.

hope it helps you guys

Answer 2

Explanation:

because the value of g depends upon the radius and as the radius is 0 the g is 0 in the centre