In which of the following situations shape of an object does not change even after the application of force?

• While kneading dough, it gets stretched and squeezed due to the application of force. 
• While squeezing an empty can, the applied force crushes the can.
• A rubber band gets stretched when force is applied to it.
• When a ball bearing made up of hardened steel hits a polished marble surface, its shape does not change. It just bounces off the surface.

Therefore, 'A ball bearing made up of hardened steel falling on a polished marble surface.' is the correct response.