Question

. Mass of the earth is 81 times the mass of the moon and the distance between the earth and moon is 60 times the radiusof the earth. If R is the radius of the earth, then the distance between the moon and the point on the line joining the moon and earth where the gravitational force becomes is zero is
1) 30R 2) 15R 3) 6R 4) 5 R

Answer 1

Answer:

Mass of earth is 81 times the mass of the moon and the distance between the earth and moon is 60 time the radius of the earth,If R is the radius of the earth , then find the distance between then moon and the point on the line joining the moon amd the earth , where the gravitational force become zero.