Moon effect. some people believe that the moon controls their activities. the moon moves from being directly on the opposite side of earth from you to be being directly overhead. assume that the earth-moon (center-to-center) distance is 3.82 108 m and earth's radius is 6.37 106 m. (a) by what percent does the moon's gravitational pull on you increase? % (b) by what percent does your weight (as measured on a scale) decrease? %