The moon orbits our earth. the opposite would never be true; the earth would never orbit the moon. one reason is due to the force of gravity. the object has a greater gravitational force and that determines what satellites orbit around it. a) with the greater mass b) containing mostly water c) with a thicker atmosphere d) with the greater diameter

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.