A planet of mass 8×1024 kg is at location < −3×1011, 7×1011, 0 > m. A star of mass 9×1030 kg is at location < 7× 1011, −5×1011, 0 > m. What is the force exerted on the planet by the star? (It will probably be helpful to draw a diagram, including the relevant vectors.) F→on planet = N