1.The distance of the centres of moon and earth is DDD. The mass of earth is 81 times the mass of the moon. At what distance from the centre of the earth will the gravitational force be zero?a.D2\dfrac{D}{2}2Db.2D3\dfrac{2D}{3}32Dc.4D3\dfrac{4D}{3}34Dd.9D10\dfrac{9D}{10}109DLogin to continueOnly logged in users canattempt or see the solution.