Question

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-rupee coin and a one-rupee coin?

Answer 1

1. The higher the mass of an object higher is the inertia
2. Since stone is obviously more dense than a football filled with air
3. A stone of the same size would weigh more than a football of the same size
4. Hence stone has higher inertia
5. Similarly, a train is heavier than a bicycle
6. Hence a train has a higher inertia
7. Also, a five rupee coin weighs more that a 1 rupee coin
8. Therefore a five rupee coin has higher inertia