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 depends on mass of the body.

More the mass, more the inertia

 

Let’s look at all these parts

  1. a rubber ball and a stone of the same size
    A stone will have more mass than a rubber ball of the same size.
    Since more mass means more inertia,
    the inertia of the stone will be more than the rubber ball.

  2. a bicycle and a train
    A train will have more mass than a bicycle.
    Since more mass means more inertia,
    the inertia of the train will be more than the bicycle.

  3. five rupees coin and a one-rupee coin
    A five-rupees coin will have more mass than a one-rupee coin.
    Since more mass means more inertia,
    the inertia of the five-rupees coin will be more than the one-rupee coin.
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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo