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  4. The point at which the gravitational potential and the gravitational field due to earth is zero is at

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Q. The point at which the gravitational potential and the gravitational field due to earth is zero is at

CMC MedicalCMC Medical 2012

Solution:

Gravitational potential, $ V=-\frac{GM}{r} $ and intensity of gravitational field, $ I=\frac{GM}{{{r}^{2}}} $ If $ V=0 $ and $ I=0, $ Then, $ r=\infty $ (infinity) So, the point at which the value of both gravitational potential and gravitational field is zero is at infinity.