If force is something that changes the state of a body and inertia is opposition to change of state how can gravitational force be proportional to mass?
What is the difficulty level of the CMI entrance exam?Is it tougher than IIT JEE?I am in std. 11 and I want to take up BSc Physics at UG level.Can one get through the exam by having a grip over the basic concepts of physics or does it require rigorous preparation like the IIT JEE(joining...