Question

You are waiting for a train on a railway platform. Your three-year-old niece is standing on your iron trunk containing the luggage. Why does the trunk not recoil as she jumps off on the platform?

Answer 1

Given:-  

• She jumps off on the platform and the trunk doesnt recoil.

To find:-

• Why the iron trunk does'nt recoil.

Explanation:-

❥ The force exerted by the girl on the trunk is less than limiting friction that platform provides to the trunk .

❥ It also happens due to the inertia of the trunk,as the mass of trunk is more than the girl , it remains fixed.

Therefore, the trunk doesnt recoil.

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