Question 396: Gravitation

Question

Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represented by

Accepted Answer

For a point inside the earth i.e. r  R,
$$E =  - {{GM} \over {{r^2}}}$$
On the surface of the earth i.e, r = R
$$E =  - {{GM} \over {{R^2}}}$$
The variation of E with distance r from the centre is as shown in the figure.

Answer

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Answer

Gravitation

Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represented by

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