Kepler's laws refer to a set of three laws that describe the orbital motion of planets around the sun. Although these laws were originally formulated for planets, these laws are valid for the orbital motion of any satellite (planet, star, moon, artificial satellites, etc). The first law ...
Newton's Third Law of Motion, also called the action-reaction law, simply states that in an isolated system, two objects that exert force on each other must have the same magnitude but anti-parallel directions. Such objects are said to fo...