A planet of mass 7×1024 kg is at location < −8×1011, 5×1011, 0 > m. A star of mass 6×1030 kg is at location < 9×1011, −7×1011, 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→onplanet = <, > N