mass of star = 2.98 x 1030 kilograms
mass of planet = 5.71 x 1024 kilograms
mass of moon = 8.95 x 1022 kilograms
average distance from star to planet = 1.94 x 1011 meters
average distance from planet to moon = 4.45 x 108 meters

Use the data above to determine the magnitude of the net force exerted on the moon by the planet and the star during:
a. a solar eclipse. Include units in your answer.
b. a lunar eclipse. Include units in your answer.