D Question 2 1 pts A hot air balloon floats 100 m from the surface of the earth. Which statement best describes the gravitational force applied to the earth by the balloon? O the same as the gravitational force applied to the balloon by the earth zero O the same magnitude and opposite direction as the gravitational force applied to the balloon by the earth O not enough information to say anything about the gravitational force D Question 3 1 pts A satellite is in orbit around the earth with a constant speed. Which statement best describes the net force on the satellite? O the net force points away from the centre of the earth the net force is zero because the speed is constant O points towards the centre of the earth O the net force is parallel to the satellite's velocity