Base your answers to questions 9 through 11 on the passage and data table below. The net force on a planet is due primarily to the other planets and the Sun. By taking into account all the forces acting on a planet, investigators calculated the orbit of each planet. A small discrepancy between the calculated orbit and the observed orbit of the planet Uranus was noted. It ap~ peared that the sum of the forces on Uranus did not equal its mass times its acceleration, unless there was another force on the planet that was not included in the calculation. Assuming that this force was exerted by an unobserved planet, two scientists working independently calculated where this unknown planet must be in order to account for the dis~ crepancy. Astronomers pointed their telescopes in the predicted direction and found the planet we now call Neptune. Data Table Mass of Neptune 1.03 x 1(th6 kg Mean distance of Uranus to the Sun Mean distance of Neptune to the Sun 4.50 x 1012 m 9. What fundamental force is the author referring to in this passage as a force between planets? 10. The diagram at right represents Neptune, Uranus, and the Sun in a Sun straight line. Neptune is 1.63 x 1012 meters from Uranus. Uranus Neptune Calculate the magnitude of the interplanetary force of attraction Q Q between Uranus and Neptune at this point. [Show all work, in rm": cluding the equation and substitution with units.] I153 X10 m I ( Not drawn to scale ) 11. The magnitude of the force the Sun exerts on Uranus is 1.41 x 1021 newtons. Explain how it is possible for the Sun to exert a greater force on Uranus than Neptune exerts on Uranus. 12. When Earth and the Moon are separated by a dis~ 13. An astronaut weighs 8.00 x 102 newtons on the sure tance of 3.84 x 108 meters, the magnitude of the grav~ face of Earth. What is the weight of the astronaut itational force of attraction between them is 2.0 x 102\" 6.37 x 106 meters above the surface of Earth? newtons. What would be the magnitude of this grav~ 1. 0.00 N itational force of attraction if Earth and the Moon 2. 2.00 >