Class 9 Science Chapter 9 Force and Law of Motion NCERT Solutions Question Answers Page 118 1.Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five rupees coin and a one-rupee coin? Answer : Inertia is the measure of mass of the body.The greater is the mass of a body, greater is its … [Read more...] about Chapter 9 Force and Law of Motion