Logic learning 02

 Laws:- Newton law of gravitation : Every planets of matter attract each other particles of matter with a force which directly proportional to the product of their masses and inversely proportional to the distance between them.    Kepler s laws:- 1) first law :- all planets revolves around the sun in elliptical orbit with the sun at one focus of the orbit.                                                                                          2) second law:- the radius vector drawn from the sun to the planet swept equal area in equal interval of time.                                                          ...