The gravitational force between two objects is 2000 n. the mass of each object is reduced to one-third of its original mass.
how must the distance between the objects change to keep the gravitational force between them 2000 n?

Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano. the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? a.positive force, balanced force, negative force b.negative force, balanced force, positive force c.positive force, unbalanced force, negative force d. negative force, unbalanced force, positive force