Please solve

Name Section Period 6 Exercises: Gravity Write answers to the questions below. Show your mathematical steps and the units of the quantities. This sheet with your answers should be turned in at the beginning of Period 7. 1. Calculating gravitational force: Which exerts a larger force on the Moon, the Sun or the Earth? G = 6.67 x 10-11 N m2/kg2 Mass of the Moon: 7.36 x 102 kg Moon-Earth distance: 3.84 x 10 m Mass of the Earth: 5.98 x 102# kg Moon-Sun distance: 1.50 x 10 m Mass of the Sun: 2.00 x 105 kg a) Calculate the gravitational force between the Sun and the Moon. b) Calculate the gravitational force between the Earth and the Moon. C ) Which exerts a greater force on the Moon? 2. Calculating gravitational acceleration: a) What is the value of g on Mars? The mass of Mars = 6.42 x 1025 kg and the radius of Mars = 3.4 x 10 m b) What is the weight of a 75 kg rover vehicle on the surface of Mars