If the distance between the centers of earth and moon is D, and mass of earth is 81 times that of moon. At what distance from the centre of earth, gravitational field will be zero?
Text Solution
Verified by ExpertsThe correct answer is:
D

is the gravitational field due to moon at P
is the Gravitational field due to Earth at P
Resultant field is zero at P, i.e.,


Given
;
Now,

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