Question

Value of gravitational acceleration decreases as we go deep inside the earth

Answer 1

Answer:

Along-with the distance, the part of the earth which contributes towards the gravitational force felt also decreases, decreasing the value of (M). Due to combined result of a change in R and M, value of g decreases as we go deep.

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Answer 2

Answer:

The acceleration due to gravity (g) on earth’s surface is given as, g = GM/R^2. The value of g depends on the mass M of the earth and the radius R of the earth. As we go inside the earth, our distance from the centre of the earth decreases and no longer remains equal to the radius of the earth (R).

Explanation:

1. The acceleration due to gravity (g) on earth’s surface is given as, g = GM/R^2
2. GM/R^2. The value of g depends on the mass M of the earth and the radius R of the earth.
3. As we go inside the earth, our distance from the centre of the earth decreases and no longer remains equal to the radius of the earth (R).
4. Along-with the distance, the part of the earth which contributes towards the gravitational force felt also decreases, decreasing the value of (M).
5. Due to combined result of a change in R and M, value of g decreases as we go deep inside the earth.