The planets are kept in motion in their respective orbits by: Universe Mcqs November 11, 2019 BILAL KHATTAK0 A.Gravitation nad centrifugal force B.The rotation and density C.Their great size D.Rotation of sun on its axis. Related Mcqs: A satellite orbits around the earth due to The sun exists in a state of equilibrium between the force of gravitation and Asteroids have their orbits between the planets: The orbits of planets around the sun, or of satellites around the earth can be: The minor planets revolving between the orbits of Mars and Jupiter are called Which of the following forces does not act in case of fluids? In a centrifugal pump the pressure energy of water is increased because of All mechanical seals have two flat sealing surfaces The same side of the moon always faces the earth because: A dadial follower is