Question 21Determine the gravitational acceleration on the surface of the moon if its mass is 1/32 of the mass of the earth and its radius is 1/4 that of the earth(take $m_{e}$ and $r_{e}$ as the mass and radius of the earth respectively)A.4Gme/r2eB.Gm2e/2r2eC.Gm2e/reD.4Gm2e/reE.32GMmm/r2Objective Show full explanation