2. The force of attraction, F of a body varies directly as its mass m and inversely as the square of the distance d from the body. When m=8 kilograms and d=5 meters, F=100 Newtons. a. What type of variation represents the problem? b. What is the constant of variation? c. What is the equation of the variation? d. Find F when m=2 kilograms and d=15 meters.