What is the proof that every object which has mass exert Gravity. Share with your friends Share 0 Md Shamsad Shams answered this Dear student, Regards. 0 View Full Answer Zakariya answered this fucing gravity -1 Tanmay . answered this Exert gravity??? . What do you mean by gravity here? Gravity is the gravitational force exerted by earth on other bodies , then how other objects can exert gravity. 1