Question

A force is applied on:

(i) a rigid body

(ii) a non-rigid body

How does the effect of the force differ in the above two cases?

Answer 1

The explanation for the rigid body

1. When a force is applied to a rigid body the dimensions of that body don't change.
2. An applied force cause motion (acceleration) in a rigid body.

The explanation for the non-rigid body

1. When a force is applied to a non-rigid body the dimensions of that body get changed.
2. An applied force cause motion (acceleration) in a non-rigid body.